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Abhay Ashtekar : Curriculum Vitae


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NAME: Abhay Vasant Ashtekar


 
HIGHER DEGREES:

  • Ph. D. (Physics)
    University of Chicago, 1974

  • Doctor Rerum Naturalium Honoris Causa
    Friedrich-Schiller Universitaet, Jena, Germany, 2005
    Universite de la Mediterranee, Aix-Marseille, France, 2010
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PROFESSIONAL EMPLOYMENT:
  • 1983-1985
    Professeur (Chaire de Gravitation)
    Universite de Paris VI,
    (Appointed February '83, resigned October '85)

  • 1984-1988
    Professor of Physics
    Syracuse University

  • 1988-1992
    Distinguished Professor of Physics
    Syracuse University

  • 1992-1993
    Erastus Franklin Holden Professor of Physics
    Syracuse University

  • 1993-
    Holder, Eberly Chari in Physics, and Director, Institute for Gravitation and the Cosmos
    Penn State University

  • 2018-
    Evan Pugh Professor of Physics
    Penn State University
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HONORS:
  • First Gravity prize in the annual international competition, awarded by the Gravity Research Foundation, Massachusetts, 1977.

  • Alfred P. Sloan Research Fellow, 1981-1985.

  • Chancellor's Citation for Academic Excellence, Syracuse University 1987.

  • Elected to the Governing Council of the International Society for General Relativity and Gravitation, 1989-1998.

  • Rufus Putnam Distinguished Visiting Professor, Ohio University, October 1989.

  • Senior Visiting Fellow. British Science and Engineering Research Council, Spring 1991.

  • Distinguished Lectures, Institute for Fundamental Theory, University of Florida, Spring 1992.

  • Wasserstrom Award for Graduate Teaching and Advising, 1992.

  • Distinguished Lectures, Center for Theoretical Physics, University of Maryland, February 1994.

  • 1995 Andrejewski Lectures on Mathematical Physics, Federal Republic of Germany.

  • Elected Honorary Fellow, Indian Academy of Sciences, 1996.

  • Golden Jubilee Visiting Professor, Physical Research Laboratory, Ahmedabad, India, August 1997.

  • Distinguished Lecture Series; Mexican Academy of Science, Mexico-US Foundation for Science and UAM, Mexico City, September 1997.

  • Elected Fellow, American Physical Society, 1997.

  • Elected Foreign Fellow, The National Academy of Sciences, India 1997.

  • Chair, Topical Group in Gravitation, of the American Physical Society, 1998.

  • Elected President, American Chapter of the Indian Physics Association (2000-2002).

  • Profile featured in The New York Times Scientists at Work, edited by L. Chang, Foreword by Stephen Jay Gould (McGraw Hill, New York, 2000).

  • Invited Lecture in the symposium "Les Quanta": un Siecle apres Planck" celebrating 100th anniversary of the publication of Planck's paper on black body radiation, at the French Academie des Sciences, Paris 2000.

  • The Centennial Saha Memorial Lecture, Kolkotta, India 2000.

  • Wiegand Lectures, St. Johns College, Santa Fe 2001.

  • Academy Public Lecture, Indian Academy of Science, 2002, 2004.

  • Awarded the senior Forschungspreis by the Alexander von Humboldt Foundation 2004.

  • Sir C.V. Raman Chair of the Indian Academy of Sciences (2004-2005).

  • The S. N. Bose Memorial Lecture, Kolkatta, India 2005.

  • The Krammers Chair of Theoretical Physics, University of Utrecht, Spring 2006.

  • Awarded Distinguished Scholar Prize by the American Chapter of Indian Association of Physics, 2007.

  • Elected President, International Society for General Relativity and Gravitation, 2007-2010.

  • Elected Fellow, American Association for Advancement of Science, 2008.

  • Lewiner Distinguished Lecture Series, Technion, Israel 2009.

  • Doctor Rerum Naturalium Honoris Causa, Universite de la Mediterranee, Aix-Marseille, France 2010.

  • Ireland Distinguished Lectures, University of New Brunswick, Canada, 2010.

  • International conference held at Madrid, Spain to commemorate the 25th anniversary of the publication of the New Variables paper that launched loop quantum gravity. Celebration also at the headquarters of BBVA Foundation and Fundacion Pons Palace, 2011.

  • Interdisciplinary, Plenary Lecture at the 39th International Conference of the Committee on Space Research (COSPAR) held at Mysore, India, 2012.

  • The Elston Memorial Public Lecture at the Embry-Riddle Aeronautical University Daytona Beach, Florida, 2013.

  • Invited to assume a Distinguished Research Chair, Perimeter Institute, Canada, 2014-17.

  • Silver Jubilee Lecture, Inter-University Center for Astronomy and Astrophysics, Pune, India, 2014.

  • Plenary Public Lecture, 102nd Indian Science Congress, Mumbai, India, 2015.

  • Indian Academy of Sciences Lecture, Banaglore, India, 2015.

  • Elected Fellow, International Society on General Relativity and Gravitation, 2016.

  • Elected Member, United States National Academy of Sciences, 2016.

  • University-Wide Public Lecture in the Bold Ideas in Physics Series; Georgia Tech, 2017.

  • Appointed Evan Pugh Professor of Physics, Penn State, 2018.

  • Awarded the 2019 Einstein Prize by the American Physical Society.

  • Public Lecture: Big Bang, Black Holes and Gravitational Waves: Illustrations of Paradigm Shifts in Fundamental Science; International Center for Theoretical Studies, Banaglore, India, August 20th, 2019.

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OTHER PROFESSIONAL EXPERIENCE HIGHLIGHTS:
  • Gastwissenenschaftler (Guest Scholar), at the Max Planck Institut für Physik und Astrophysik, München, Germany, May-June 1976; July-August 1978; June 1979; August 1986; January-February 1991.

  • Visiting Scientist, Raman Research Institute, Bangalore, India, December 1973; August 1979.

  • Visiting Professor, Mathematics Department, University of Poona, India; December 1984.

  • Organizer of and Principal Investigator for proposals to Syracuse University and the NSF for the Syracuse Discussion Conference on Classical and Quantum Gravity; April 17-20, 1985.

  • Coordinator of a six-month workshop on Quantum gravity at the National Science Foundation Institute for Theoretical Physics at the University of California, Santa Barbara; January-June 1986.

  • National Board of Higher Mathematics Visiting Professor, Universities and Research Institutes in India, December 1986-January 1987.

  • Member, Editorial Board, Classical and Quantum Gravity, 1988-1991.

  • Member, National Science Foundation Oversight Review Panel, 1988.

  • Visiting Professor, Inter University Center for Astronomy and Astrophysics, Poona, India, 1988-present.

  • Member, National Science Foundation Panel (Physics Division) for selection of Young Presidential Investigators, Dec. 1989.

  • Treasurer for North America, International Society for General Relativity and Gravitation (1990-present).

  • Member, Basilis Xanthopoulos International Award Committee 1991-93, Chair 93-98.

  • Consultant on Science and Technology for UNDP (United Nations Development Program). December 1991.

  • Managing Editor for General Relativity and Quantum Gravity, International Journal of Modern Physics-D, Feb. '92-Dec. '05

  • Member, Advisory Committee for the Creation of the Potsdam Institute of Gravitational Physics, appointed by the Max Planck Society of Germany, 1993-1996.

  • Member, Committee of Visitors of the National Science Foundation, 1994.

  • Scientific Director of the Workshop on Mathematical Problems of Nonperturbative Quantum Gravity held at the Erwin Schroedinger International Institute for Mathematical Science held in Vienna, Austria on July - August 1996, June 1997.

  • Chair, the NSF "Special Emphasis Panel on Gravitational Physics," 1996-97.

  • Member, National Research Council Committee on Gravitational Physics (to prepare the decennial report), 1997-1998.

  • Chief Editor (for physics), Advances in Mathematical and Theoretical Physics, 1997- .

  • Co-organizer, Program on "Classical and Quantum Physics of Strong Gravitational Fields," Institute of Theoretical Physics, Santa Barbara, January-June 1999.

  • Member, Advisory Board, Xanthopoulos International Prize in Gravitation and Cosmology (2000-present).

  • Member, Editorial Board Physical Review D (2000-2003).

  • Chair, Executive Committee of the NSF Physics Frontier Center for Gravitational Wave Physics (2001-2005).

  • Non-UK Advisor, the 5 Year British Research Assessment Exercise for all UK Programs in Applied Mathematics (2001).

  • Member, the Einstein Prize Committee of the American Physical Society (2002) and (2021).

  • Member, Editorial Board of the International Journal of Geometric Methods in Modern Physics, 2004-2014.

  • Member, Scientific Advisory Council, Inter-University Center of Astronomy and Astrophysics, University Giants Commission, Government of India (2004-2007).

  • Scientific Organizer: One-month Sub-program on Quantaum Gravity of the Gloval Problems in Mathematical Relativity Program, held at the Isaac Newton Institute for Mathematical Sciences, Cambridge, UK (Oct-Nov 2005).

  • Scientific Director, A. K. Raychaudhuri Workshop on Cosmology, held at the Inter-Univeristy Center for Astronomy and Astrophysics, Pune, India (December 2005).

  • Member, International Advisory Board, The Central European Joint Program of Doctoral Studies in Theoretical Physics (2006 onwards).

  • Visiting Professor, Beijing Normal University, China (2007-2012).

  • Chair, International Advisory Committee, IndIGO and LIGO-India (2010 onwards).

  • Editor-in-Chief, General Relativity and Gravitation, published by Springer: The official journal of the International Society for General Relativity and Gravitation (2012-2018).

  • Editor in Chief, 'General Relativity and Gravitation: A Centenary Perspective' commissioned by the International Socitey on General Relativity and Gravitation to celebrate the 100th anniversary of Einstein's discovery of general relativity (Cambridge University Press, Cambridge, 2015), a 674 pages monograph with 12 Chapters.

  • Co-editor of 'Handbook of Space-time' published by Springer (2014). A 877 page Volume, divided into 4 parts containing 39 Chapters.

  • Editor-in-Chief of a Series of Monographs in the Series "100 Years of General Relativity", (World Scientific, Singapore, 2015-).

  • Co-Editor, Loop Quantum Graivty: The First 30 Years (World Scientific, Singapore, 2017), A 309 pages monograph with 9 Chapters.

  • Member, Editorial Board, Scholarpedia (2014-).

  • Chair, Special NSF Panel to assess long-term, inter-disciplinary research funding in the Physics Division (2018).

  • Appointed Divisional Associated Editor, Physical Review Letters (2018-).

  • Chair, Scientific Organizing Committee, igc@25, International conference celebrating the silver Jubilee of the creation of the current Institute for Gravitaiton and the Cosmos (2019).
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INVITED TALKS IN NATIONAL AND INTERNATIONAL MEETINGS:
  • Some Geometrical Aspects of Quantum Field Theory in Curved Spacetime; a plenary talk at the Journees Relativistes, an annual European Conference on General Relativity and Mathematical Physics, held at Angers, France, May 1979.

  • Quantization of the Radiative Modes of the Gravitational Field; a plenary talk at the Second International Symposium on Quantum Gravity, held at Oxford, England, April 1980.

  • Infrared Behavior of the Gravitational Field and the BMS Group; at the Nuffield Workshop on Quantum Gravity, held at Oxford, England, July-August 1980.

  • Asymptotic Quantization; at the workshop on Quantum Gravity and the Early Universe, held at the University of Maryland, College Park, December 1980.

  • From Geneal Relativity to Quantum Gravity; at the VIth International Conference on Mathematical Physics, held at West Berlin, August 1981.

  • Quantum Gravity; a plenary talk at Steven's Conference on General Relativity and Gravitation, held at New York in January 1982.

  • Equations of Motions: State of the Art; a round table discussion organized and chaired at the International School on Gravitational Radiation, held at Les Houches, France, July 1982.

  • Asymptotic Properties of Isolated Systems: Recent Developments; at the Plenary Session of the Xth International Conference on General Relativity and Gravitation, held at Padova, Italy, July 1983.

  • Quantum Gravity; a workshop partly organized and chaired at the Padova Conference.

  • From Canonical Quantization to H-spaces and Non-linear Gravitons; at the session on Classical and Quantum Alternate Theories of Gravity, at the Padova Conference, July 1983.

  • On the Hamiltonian of General Relativity at the VIIth International Conference on Mathematical Physics, held at Boulder, Colorado, August 1983.

  • A Series of Lectures on Gravitational Physics, During the Trimester on Mathermatical Physics at the Stephen Banach Institute of the Polish Academy of Sciences at Warsaw, Poland, September 1983.

  • On the Boundary Conditions on Gravitational and Gauge Fields at Spatial Infinity, a plenary talk at the International Conference on Mass and Asymptotic Behavior of Space-time, held at Corvallis, Oregon, October 1983.

  • A Manifestly Covariant Spinorial Approach to Canonical Quantization of Gravity, a plenary talk at the 3rd International Symposium on Quantum Gravity, held at Oxford, England, March 1984.

  • A Series of Lectures on Quantum Gravity, at the Institute of Theoretical Physics and the Institute of Philosophical Studies, Naples, Italy, during the special semester on Gravitational Physics, May 1984.

  • A Series of Lectures on Recent Developments in Classical and Quantum Gravity, at the University of Poona, India, January 1985.

  • Hamiltonian Formulation Without 3+1 Decomposition, at the Workshop on Mathematical General Relativity, held at Berkeley, California, February 1986.

  • The Past Twenty Years of Quantum Gravity at the International Conference on History of General Relativity, held at Andover, Massachusetts, May 1986.

  • Einstein Constraints in the Yang-Mills Form, a plenary tald at the International Conference on Constrained Systems, held at Florence, Italy, May 1986.

  • New Variables for Canonical Quantum Gravity, a plenary talk at the International Conference on Approaches to Quantum Gravity, held at Santa Barbara, California, June 1986.

  • Self-duality via Spinorial Variables, a plenary talk at the American Mathermatical Society Conference on General Relativity, held at Santa Cruz, California, June 1986.

  • The Problem of Quantum Gravity, a plenary talk at the International Symposium on Foundations of Relativity and Quantum Theory, held at the Akademie de Naturforscher Leopoldina, East Germany, July 1986.

  • A Series of 12 Lectures on New Variables for Classical and Quantum Gravity, at the National Board of Higher Mathematics Workshop, held at Poon, India, December 1986-January 1987.

  • Microstructure of Space-time in Quantum Gravity, a plenary talk at the 8th Workshop on Grand Unification, held at Syracuse, New York, April 1987.

  • New Perspectives in Canonical Quantum Gravity, a plenary talk at the International Conference on General Relativity and Cosmology, held at Goa, India, December 1987.

  • Old Problems in the Light of New Variables, at the Conference on Conceptual Problems of Quantum Gravity, held at Andover, Massachusetts, May 1988.

  • A Key Speaker: at the Durham Symposium on Spinors, Twistors and Complex Structures in General Relativity, organized by the London Mathematical Society, held at Durham, England, July 1988.

  • Recent results in Non-perturbative Hamiltonian Gravity, at the IXth Congress of the International Association of Mathematical Physics, held at Swansea, Wales, July 1988.

  • Non-perturbative Quantum Gravity: A Status Report, a plenary talk at the VIIIth Italian Conference on General Relativity and Gravitation, held at Cavalese, (Trento), Italy, August 1988.

  • New Developments in Quantum Gravity, a plenary talk at the 14th "Texas Symposium on Relativistic Astrophysics", held at Dallas, Texas, December 1988.

  • Self-duality, Quantum Gravity, Wilson Loops and All That, a plenary talk at the 12th International Conference on General Relativity and Gravitation, held at Boulder, Colorado, July 1989.

  • A Series of Lectures on Non-perturbative Quantum Gravity at the AII India Workshop organized by the Inter University Center for Astronomy and Astrophysics, Poona, India, July-August 1989.

  • A Series of Lectures at the Canadian Workshop on Non-Perturbative Canonical Gravity, held at Winnipeg, Manitoba, November 1989.

  • Lessons from 2+1 -dimensional Gravity, a plenary talk in Superstrings '90 Conference, held at College Station, Texas, March 1990.

  • Quantum Gravity: A Survey, at the American Physical Society Spring Meeting, held at Washington, April 1990. (Celebration of the 75th Anniverary of General Relativity).

  • A Series of Lectures on Classical and Quantum Gravity, at the International Workshop on Gravitation, held at Banff, Canada, August 1990.

  • A Series of Lectures at the VIIth Latin American Conference on General Relativity and Gravitation, held at Mexico City, December 1990.

  • Loops, Photons, and Gravitons, a plenary talk at the International Conference on Geometry and Physics, held at Edinburgh, Scotland, March 1991.

  • Quantum Gravity: Why Knot(s)? a plenary talk at the Journees Relativistes, the French Annual Conference on General Relativity and Gravitation, held at Carges, Corsica, May 1991.

  • A Loop Representation for the Quantum Maxwell Field, at the Institute of Physics Workshop on Classical and Quantum Gravity, held at London, England, May 1991.

  • Loops, Gauge Fields, and Gravity, a plenary talk at the Canadian Conference on General Relativity and Gravitation, held at Winnipeg, Manitoba, May 1991.

  • Non-perturbative Canonical Gravity, a plenary talk at the 6th Marcel Grossman Meeting on General Relativity, held at Kyoto, Japan, June 1991.

  • Gauge and Symmetry: Symplectic vs Differential Geometry, a plenary talk at the American Mathematical Society Research Conference, held at Seattle, Washington, July 1991.

  • Physics in the Loop Space, a plenary talk at the Second International Conference on Gravitation and Cosmology, to be held at Ahamedabad, India, December 1991.

  • Current Status of and Open Problems in Quantum Gravity: Series of Lectures delivered at Workshops in Cochin and Pune, India, December 1991-January 1992.

  • Space and Time: From Antiquity to Einstein and Beyond, Shell Lecture at the National Science Teachers Conference, held at Boston, Massachusetts, March 1992.

  • Holonomies, Frozen Fluxes and Weaves, a plenary talk at the German Physical Society Conference, held at Berlin, Germany in March-April 1992.

  • Emergence of Discrete Structures at the Planck Scale, a plenary talk at the International Workshop in Theoretical Physics: Galileo Galilei Celebrations, held at Erice, Italy, June 1992.

  • Mathematical Problems of Non-perturbative Quantum Gravity; Series of 9 Lectures of the NATO Summer School on Gravitation and Quantization held at Les Houches, France, July 1992.

  • Connections, Loops and Quantum General Relativity, a Plenary talk at the First Iberian Conference on Gravitation, held at Lisbon, Portugal, September 1992.

  • The Ultraviolet Catastrophe: A Matter of Gravity?; a plenary talk at the International Workshop on Mathematical Physics towards 21st Century, held at Beer Sheva, Israel, March 1993.

  • The Loop Transform, at the Workshop on Knots and Quantum Gravity, held at Riverside, Colifornia, May 1993.

  • Midisuperspaces: A Direction for Future Research, a plenary talk at the International Conference on Directions in General Relativity, held at College Park, Maryland, May 1993.

  • Overview and Future Directions, a plenary talk at the Internatioal Conference on The Canonical Formalism in Classical and Quantum General Relativity, held at Bad-Honef, Germany, September 1993.

  • Integral Calculus on the Space of Gauge Equivalent Connections, at the Lanczos Centennial International Conference, held at Raleigh, North Carolina, December 1993.

  • Gauge Fields, Gravity Loops and Knots, a plenary talk at the Rutherford-Appleton International Conferene, held at RAL, Didcot, England, December 1993.

  • Scenes from Quantum Gravity, a plenary talk at the PASCOS-94 International Conference, held at Syracuse, New York, May 1994.

  • A Manifestly Gauge Invariant Approach to Quantum Gauge Theories, a plenary talk at the International Workshop on Constrained Systems, held at the Newton Institute, Cambridge, England, June 1994.

  • Calculus on A/G: New Geometry for Planck Scale Physics, at the International Conference on Quantum Concepts in Space and Time, a plenary talk, held at Durham, England, July 1994 (key speaker).

  • Recent Developments in Quantum Gravity: A Sampler, plenary talk at the VIIth Marcel Grossmann International Conference, held at Stanford, July 1994.

  • Geometry of Quantum Mechanics, at the First Canadian-Amerian-Mexican Physical Societies' Conference, held at Cancun, Mexico, September 1994.

  • Einstein's Triumph, at the 1994 North-East Conference of the American Association of Physics Teachers, held at Philadelphia, October 1994.

  • Probing Quantum Geometry, at the International Workshop on Planck Scale Physics, held at Puri, India, December 1994.

  • Two Faces of Gravity; A Frontiers of Science Seminar at the National Science Teachers' Conference, held at Philadelphia, March 1995.

  • 1995 Andrejewski Lectures on Mathematical Physics in Federal Republic of Germany; Non-perturbative Quantum Gravity: Physics Without Space-time, a set of 3 lectures at the Humboldt University, Berlin; and Mathematical Problems of Quantum Gravity, a set of 4 lectures at the University of Leipzig, April 1995.

  • Gauge Fields, Gravity and Quantum Geometry, a plenary talk at the International Conference on Fundamental Forces and Quantum Technology, held at Philadelphia, May 1995.

  • Mathematical Problems of Quantum Gravity, Stephen Banach colloquium in Mathematics to the Polish Academy of Science, Warsaw, Poland, May 1995.

  • Non-perturbative Quantum Gravity: Problems, Strategies and Recent Results, a set of two lectures at the Workshop on Canonical and Quantum Gravity, held at Warsaw, Poland, Many 26-27, 1995.

  • The Problem of Quantum Gravity and Quantum Fields, Connections and Knots, a set of two lectures at the Workshop on Modern Methods in Classical and Quantum Gravity, held at Sintra, Portugal, July 25-29, 1995.

  • Quantum Fields, Connections and Knots, a plenary at the Clifford Centennial Conference on New Trends in Geometrical and Topological Methods, held at Funchal, Madeira, July 30-August 5, 1995.

  • Glimpses at Quantum Geometry, a plenary talk at the 14th Tri-Annual International Conference on General Relativity and Gravitation, held at Florence, Italy, August6-12, 1995.

  • New Geometry from Quantum Gravity, at the Second Workshop on Physics at the Planck Scale, held at Erice, Italy, September 8-16, 1995.

  • Geometry of Quantum Mechanics, at the Symposium on Five Decades of Relativity, held at Syracuse University, December 2, 1995.

  • A Set of Four Lectures at the First Mexican Workshop on Gravitational and Mathematical Physics, held at Oaxtepec, Mexico, December 11-16, 1995.

  • Quantum Theory of Geometry, a plenary talk at the Pacific Conference on Gravitation and Cosmology, held in Seoul, S. Korea, February 1-7, 1996.

  • Closing Remarks, a plenary talk at the Pacific Conference on Gravitation and Cosmology, held in Seoul, S. Korea, February 1-7, 1996.

  • Quantum Field Theory of Geometry, a plenary talk at the Conference on Foundations of Quantum Field Theory, held at Boston, Febraury 29-March 3, 1996.

  • Geometric Issues in Quantum Gravity, at the International Conference on Geometric Issues in the Foundation of Science, held at Oxford, England, June 28, 1996.

  • Quantum Mechanics of Geometry, a plenary talk at Jornades Cientifiques, held at Institut d'Estudis Catalans, Barcelona, Spain, December 2-4, 1996.
  • Non-perturbative Quantum Gravity and Black hole Entropy, American Physical Society Meeting, held at Washington, DC, April 18-22, 1997.

  • Quantum Geometry and Black Hole Entropy, at the Workshop on Canonical and Quantum Gravity, held at the Banach Center for Mathematical Sciences, Warsaw, Poland, June 1-8, 1997.

  • Large Quantum Gravity Effects, at the Workshop on Canonical and Quantum Gravity, held at the Banach Center for Mathematical Sciences, Warsaw, Poland, June 1-8, 1997.

  • Golden Jubilee Lectures of the Physical Research Laboratory, Ahmedabad, India, August 2-11, 1997.

  • Distinguished Lecture Series under the auspices of UAM, Mexican Academy of Science and Mexico-US Foundation for Science, Mexico City, September 10-20, 1997.

  • Quantum Riemannian Geometry and its Physical Applications, at the American Mathematical Society Conference, held at Baltimore, MD, January 5-9, 1998.

  • Quantum Geometry of Black Hole Horizons, a plenary talk at the 1998 Canadian Association of Physics Congress, held at Waterloo, Canada, June 14-17, 1998.

  • Quantum Theory of Geometry, a plenary talk at the International Symposium on Mathematics in the Sciences, held at Leipzig, Germany, June 19-23, 1998.

  • 3-Dimensional Quantum Gravity: A Theory of Connections, a plenary talk at the AMS Conference on Geometry and Law Dimensional Gauge Theories, held at Baton Rouge, October 22-25, 1998.

  • A Set of Four Lectures on: Classical and Quantum Physics of Isolated Horizons, at the School on Black Holes, held at Mazatlan, Mexico, November 15-20, 1998.

  • Recent Progress in Black Hole Physics, a plenary talk at the International Conference celebrating the 10th anniversary of IUCAA, Poona, India, January 7-11, 1999.

  • A Set of 4 Lectures on Quantum Geometry at the Karpacz Winter School, Poland, February 2-7, 1999.

  • Glimpses of Quantum Geometry, a plenary talk at the Minnowbrook Symposium on the Structure of Space-time, May 27-30, 1999.

  • Mechanics of Isolated Horizons, a plenary talk at the Val Morin Workshop on Black Holes, Val Morin, Canada, June 4-7, 1999.

  • Quantum Geometry and Black Hole Entropy, a plenary talk at the VIIIth Canadian Conference on General Relativity and Relativistic Astrophysics, held at Montreal, Canada, June 8-11, 1999.

  • Isolated Horizons and Black Hole Entropy, a plenary talk at the International Conference on Strong Gravitational Physics, held at ITP, Santa Barbara, June 22-26, 1999.

  • Isolated Horizons, Quantum Geometry and Black Hole Entropy, a plenary talk at Journees Relativistes, European Conference on General Relativity and Gravitation,September 12-17, 1999.

  • A Relativist's View of Quantum Gravity, at the Ehlers Symposium, held at the Albert Einstein Institute, Germany, February 18-19, 2000.

  • Space and Time: Einstein and Beyond, The 2000 Saha Memorial Lecture, at the Saha Institute of Nuclear Studies, Calcutta, February 22, 2000.

  • Challenges and Opportunities in Quantum Gravity, an invited talk in the "Gravitational Physics for the 21st Century" Session of the APS Meeting, held in Long Beach, CA, April 29, 2000.

  • Beyond Einstein: Gravity, Geometry and Quantum, at the Symposium on Gravitational physics at the Dawn of the New Millennium, Mexico City, June 20, 2000.

  • Interface of General Relativity, Quantum Mechanics and Statistical Physics, Young Researcher's Symposium Plenary talk at the International Congress on Mathematical Physics, London, July 18, 2000.

  • Organizer and Chair of the Sessions on General Relativity and Quantum Gravity, International Mathematical Physics Congress, London, July 17-21, 2000.

  • Quantum Geometry of Horizons and Black Hole Entropy, at the Workshop on Supergravity and String Theory, Institut Henri Poincare, Paris, December 11, 2000.

  • Quantum Mechanics of Geometry and Its Applications, at the Centennial Celebration of the Publication of Max Planck's paper which marked the birth of the quantum, Academie des Sciences, Paris, December 15, 2000.

  • A Series of 10 Lectures on Recent Developments in Quantum Gravity; at the Workshop on Gravitational Physics, held at the Raman Research Institute, Bangalore, India, January 2-9, 2001.

  • Quantum Mechanics of Geometry and Its Applications, plenary lecture at the International Conference on Frontiers of Theoretical Physics, held at the Physical Research Laboratory, Ahmedabad, India, January 12, 2001.

  • Quantization, Geometry and Black Holes, at the Quantization and Non-commutative Geometry Workshop, at the Mathematical Sciences Research Institute Workshop, Brekeley, CA, April 23, 2001.

  • Space and Time: Einstein and Beyond, Wiegand Distinguished Lecture at St Johns College, Santa Fe, NM, April 27, 2001.

  • Meeting Challenges of Quantum Gravity, plenary lecture during the E.T. Newman Fest, held at Warsaw, Poland, June 12, 2001.

  • Semi-Classical Issues in Quantum Gravity, a plenary lecture at the Workshop on Canonical and Quantum Gravity, held at the Banach Institute, Warsaw, Poland, June 14, 2001.

  • Quantum Geometry in Action: Black Holes and Big Bang, plenary talk at the International Conference on Graphs and Patterns, held at SUNY at Stony Brook, June 21, 2001.

  • Quantum Geometry and Gravity: Recent Advances, plenary lecture at GR16, the Tri-Annual International Conference on General Relativity and Gravitation, held at Durband, Sourth Africa, July 15-21, 2001.

  • Isolated Horizons and Their Applications, Session A2 on Complex Methods, Twistors and Connection Variables at GR16, the Tri-Annual International Conference on General Relativity and Gravitation, held at Durban, South Africa, July 15-21, 2001.

  • Semi-Classical Issues in Loop Quantum Gravity, in the Session D1, on Quantum General Relativity at GR 16, the Tri-Annual International Conference on General Relativity and Gravitation, held at Duran, South Africa, July 15-21, 2001.

  • Quantum Mechanics of Geometry and Its Applications, at the South African General Relativity Workshop, held at Technion, Durban, July 24, 2001.

  • Isolated Horizons: Extracting Physics from Strong Field Geometry, at the Gravitational Wave Phenomenology Workshop, Penn State, November 6-8, 2001.

  • Quantum Geometry and Its Applications: Midwest Geometry Conference, University of North Dakota, North Forks, April 26-28, 2002.

  • Recent Advanes in Quantum Gravity, at the Third International Sakharov Conference, Moscow, Russia, June 23-30, 2002.

  • Quantum Geometry and Its Applications: Black Holes and Big Bang; at the TH2002 International Confernce in Theoretical Physics, UNESCO headquarters, Paris, France, July 21-27, 2002.

  • Ramifications of Quantum Geometry, at the International Workshop on Branes, Gravity, Condensed Matter and Nonlinear Quantum Mechanics: New Interfaces, King's College, London, England, September 11-15, 2002.

  • Isolated and Dynamical Horizons and Their Applications, at the International Symposium on Mathematical Physics, General Relativity and Cosmology, Mexico City, September 17-20, 2002.

  • The 2002 Academy Lecture of the Indian Academy of Sciences, Bangalore, India, December 4, 2002.

  • Dynamical Horizons and Their Applications, at the International Conference of the Indian Association for General Relativity and Gravitation, held at Pune, India, December 11-14, 2002.

  • Quantum Geometry, Black Hole Entropy and Semi-Classical Issues in Non-Perturbative Quantum Gravity, Symposium on General Relativity and Quantum Gravity, at the Raman Research Institute, November 28-December 9, 2002.

  • The Issue of the Final State, at the International Workshop on Mathematical Relativity, Oberwolfach Mathematics Center, Germany; February 9-14, 2003.

  • Physical Ramifications of Quantum Geometry, at the Philosophy of Science Conference in honor of John Stachel; Boston University, March 6, 2003.

  • Beyond Einstein: Gravity, Geometry and the Quantum, at the International Conference on Natural Philosophy: Interplay between Physics, Mathematics and Biology, Paris, March 25-29, 2003.

  • Quantum Geometry and Its Applications: Recent Advances, Joint Session of Division of Particles and Fields and Topical Group in Gravitation, APS Meeting, Philadelphia, April 5-8, 2003.

  • Some Recent Advances in Classical and Quantum Black Hole Physics at the Fourth International Workshop on Black Holes, Honey Harbor, Canada, May 24-27, 2003.

  • Isolated and Dynamical Horizons: Two Lectures at the British Conference on Gravitaion, Ambleside, England, September 11-13, 2003.

  • A Set of Three Lectures on Mathematical Problems in Classical General Relativity, at the International Workshop on the Cauchy Problem in General Relativity, Centre de Recherches Mathematiques, Montreal, Canada, September 24-27, 2003.

  • Quantum Geometry: A Blossoming of Peter's Vision, at the Peter Gabriel Bergmann Memorial Symposium, Syracuse, New York, October 10-12, 2003.

  • Quantum Geometry and Its Applications; and, Closing Remarks, at the International Symposium Strings Meet Loops, at the Albert Einstein Institute, Golm Germany, October 28-31, 2003.

  • Three Talks (Introduction and status report; Semi-classical issues; and Outlook) at The first Pan American workshop on loop quantum gravity, Jan 29 – Feb 1, 2004.

  • Quantum Cosmology, at the Conferencias en honor a Michel Ryan, UNAM, Mexico City, February 1st, 2004.

  • Geometry, Gravity and the Quantum: Building on Einstein’s Legacy; plenary talk at the Special conference of the German Physical Society in honor of Einstein’s 125th birthday, Ulm, Germany, March 12 – 18, 2004

  • Quantum Geometry and its Applications to Cosmology’, Journee’s de Physique pour les Mathematicians, Paris (The `Bourbaki seminar’), April 30, 2004

  • May 3rd to May 8th, Quantum Geometry: Recent Advances and Surprises, plenary talk at the Loop quantum gravity and spin foams international conference; Marseille, France, May 3 – 8, 2004

  • Quantum Geometry and its Ramifications: An update, at the Glafka Conference, Athens, Greece, June 15 – 19, 2004.

  • Dynamical Horizons, plenary talk at the Conference on Geometry and General Relativity, Regensburg, Germany, July 21 – 24, 2004.

  • Recent Advances in Loop Quantum Gravity, plenary talk at the international conference Isham 60, London, UK., September 21-24, 2004.

  • A Paradigm for Black Hole Evaporation in Loop Quantum Gravity, plenary talk Workshop on Quantum Black Holes, Ohio State University, Columbus, OH, September 15-18, 2004.

  • Loop Quantum Gravity, in the Quantum Gravity Panel, Future of Physics Conference in celebration of the 25th anniversary of KITP, Santa Barbara, CA, October 6 – 9, 2004.

  • Quantum Geometry and Its Ramifications, at the Herne Institute Inaugural Symposium, Louisiana State University, Baton Rouge, LA, November 17, 2004.

  • Quantum Geometry and Black Holes, plenary talk at the international conference, Quantum Gravity in the Americas II, Perimeter Institute, Waterloo, Canada., October 28 -31, 2004.

  • Quantum Geometry and its Applications, plenary talk at the 16th Conference of the Indian Association for General Relativity and Gravitation, Jaipur, India., December 7 – 12, 2004.

  • Space and Time from Antiquity to Einstein and Beyond, plenary talk at the Einstein Centenary Celebration of the Inter University Centre for Astronomy and Astrophysics, Pune, India, Jan 2nd 2005 and Indian Planetary Society, Bombay, India Jan 7th 2005.

  • Geometry, Gravity and the Quantum: A Perspective, plenary talk at the 7th International Conference on the History of General relativity, held at Tenerife, Canary Islands, March 9 -15, 2005.

  • Black Holes, plenary talk at the International Conference `Space-time In Action’ celebrating Einstein’s annus mirabilis, held at Pavia, Italy March 28 – April 2, 2005.

  • The Big Bang and Black Holes: Geometry and Physics Beyond Einstein, plenary talk at the International Conference on `Geometry and Physics celebrating the 10th anniversary of creation of the Albert Einstein Institute in Potsdam, Germany, April 4 – 9, 2005.

  • Recent Advances in Quantum Gravity, at the APS April meeting, held at Tampa, Florida, April 14 – 19, 2005.

  • Loop Quantum Gravity and Its Applications, plenary talk at the UNESCO International Conference celebrating the Year of Physics, held at Paris, France July 18 – 23, 2005.

  • Quasi Local Horizons, plenary talk at the `Einstein Week’ International Conference, held at Jena, Germany September 26 – 29, 2005.

  • Quantum Geometry and Spacetime Singularities, plenary talk at the Loops ’05 International Conference, held at Potsdam, Germany, October 5 – 9, 2005.

  • Quantum geometry and Its Ramifications, Plenary Lecture at the London Mathematical Society: Spitalfields Symposium; held at the Isaac Newton Institute, Cambridge, UK. Nov 7th 2005.

  • Quantum Nature of the Big Bang, at the 23rd Solvay conference held at Brussels, Nov 28 – Dec 2, 2005.

  • Three lectures on Introduction to Loop Quantum Cosmology, at the AKR School on Cosmology, held at the Inter-University Center for Astronomy and Astrophysics, Pune, India, Dec 25 – 30, 2005.

  • Recent Advances in Loop Quantum Gravity; plenary lecture at the International Symposium Celebrating the 90th Anniversary of the Discovery of General Relativity, held at Warsaw, Poland, May 11th-12th, 2006.

  • What Did We Learn From Quantum Gravity?, plenary talk at the workshop on Beyond Quantum Theory, held at the Lorentz Center, Leiden, The Netherlands, May 29-June 2, 2006.

  • Four lectures on Loop Quantum Gravity and Cosmology, at the Stuckleberg Workshop, held at ICRA, Pescara, June 26-30, 2006.

  • Loop Quantum Gravity: Recent Advances and Frequently Asked Questions, plenary talk at the 11th Marcel Grossmann International Conference, held at Berlin, Germany, July 23rd-28th, 2006.

  • Recent Advances in Loop Quantum Cosmology, Overview talk at the session on Loop Quantum Gravity, Quantum Geometry and Spin Foams, during the 11th Marcel Grossmann International Conference, held at Berlin, Germany, July 23rd-28th, 2006.

  • Quantum Nature of the Big Bang: Recent Analytical and Numerical Advances, plenary lecture at the Unruh and Wald Fest, held at Vancouver, Canada, Aug 18th-20th, 2006.

  • Summary and Outlook: Clarifications, Elucidations and Future Directions, at the international conference, Quantum Gravity in the Americas III, held at University Park, PA, August 24th-26th 2006.

  • Gravity, Geometry and the Quantum: Four Views of the Physical Reality, plenary talk at the Eighth International Symposium on the Frontiers of Fundamental Physics, held at Madrid, Spain, October 17th-19th, 2006.

  • Quantum Physics Beyond Classical Singularities, at the mini-program on Classical Singularities in Quantum Space-times, held at KITP, Santa Barbara, Jan 7th -Jan 26th, 2007.

  • Quantum Extensions of Classically Singular Space-times, at the Workshop on Gravity, Geometry and the Quantum, held at the Center for Fundamental Theory, Penn State, May 5-6, 2007.

  • Series of 6 lectures on `Loop Quantum Gravity’ at the Beijing Normal University, addressed to researchers in quantum gravity across China, June 4-12, 2007.

  • Loop Quantum Gravity: Lessons from models, plenary talk at Loops 07 Conference, held at Morelia, Mexico, June 25-30, 2007.

  • Quantum Extensions of Classically Singular Space-times, plenary talk at the Fourth Conference on Quantum Gravity in the Southern Cone, held at Punta del Este, Uruguay, October 22-25, 2007.

  • Gravity, Geometry and the Quantum, plenary talk at the Physics Diversity Summit and the 2008 Joint Annual Conference of the National Societies of black and Hispanic Physicists, held at Washington D.C., February 20-24, 2008.

  • An Overview of Loop Quantum Cosmology, plenary talk at the International Loops-Foams Workshop, Zakopane, Poland March 2-8, 2008.

  • Recent Advances in Loop Quantum Cosmology, plenary talk at the Workshop on Quantum Gravity: Challenges and Perspectives, held at the Physikzentrum, Bad-Honef, Germany, 14-16 April 2008.

  • Why information is not lost, at the workshop on Black Holes in Fundamental Physics, held at the Center for Fundamental Theory, IGC, Penn State, May 8-10, 2008.

  • Recent Advances in loop quantum cosmology, plenary talk at the Workshop on Geometry, Topology, Quantum Field Theory and Cosmology, held at the Observatoire de Paris, May 30th, 2008.

  • Loop Quantum Cosmology: An Overview, plenary talk at the NEBXIII Conference on Recent Developments in Gravity, held at Thessaloniki, Greece, June 4-6, 2008.

  • Quantum Cosmology, plenary talk at the International Conference on Quantum Gravity and Quantum Geometry, held at Nottingham, England, June 30th to July 4th, 2008.

  • Classical Singularities and Quantum Space-times, plenary talk at the Beyond Einstein Conference, held at Mainz, Germany, September 21-27, 2008.

  • Loop quantum cosmology and classical singularities, at the Loop Quantum Cosmology Workshop, held at the Center for Fundamental Theory, IGC, Penn State, October 23-25, 2008.

  • Singularity Resolution in Loop Quantum Cosmology, Minisymposium on Cosmic Singularities, held at the Princeton Center for Theoretical Physics, December 4-5, 2008.

  • Space-time and Gravity: Einstein and Beyond at the NSF Symposium, Washington DC, December 11-12, 2008.

  • Is Theory of Everything Possible? How Will We Find It? At the Cayman Island meeting on "Exploring the universe of possibilities", organized by FQXi, March 5-8, 2009.

  • Overview plenary talk, Workshop on Black holes and Loop Quantum Gravity, Valencia, Spain, March 26-28, 2009.

  • The Big Bang and the Quantum, plenary talk at the conference on Invisible Universe, held at the UNESCO headquarters in Paris, France, as a part of the celebration of the Year of Astronomy, June 30-July 3, 2009.

  • Recent Advances in Loop Quantum Cosmology, at the Session on Loop Quantum Gravity of the 14th Marcel Grossmann Conference, held at Paris, July 13-17, 2009.

  • Introduction to Loop Quantum Cosmology, plenary talk at Loops09, held at Beijing, China, August 2-8, 2009.

  • Five lectures on Loop Quantum Cosmology at the second workshop on Quantum Gravity and Quantum Geometry, at the European Institute for Sciences and their applications at Corfu, Greece, September 13-20, 2009.

  • Exploring the Issue of Time Through Quantum Cosmology, at the Focus Session on the Nature of Time in Fundamental Science, held at IGC, Penn State, November 9-10, 2009.

  • Summary and Outlook, at the Open Problems in Loop Quantum Gravity Workshop, Zakopane, Poland, February 28 – March 5, 2010.

  • The Many faces of Black Holes, plenary talk at the Road to reality with Roger Penrose Symposium, Warsaw, May 16-19, 2010.

  • Evaporation of 2-d Black Holes, at the joint session on Mathematical General Relativity, Numerical Relativity and Quantum gravity, 19th International Conference on General Relativity and Gravitation, Mexico City, July 5-11, 2010.

  • Cosmological Spin Foams, at the session on Loop Quantum Gravity, 19th International Conference on General Relativity and Gravitation, Mexico City, July 5-11, 2010.

  • CGHS Black Holes and the Issue of Information Loss, plenary talk at the Quantum Gravity in the Southern Cone V, Buenos Aires, Argentina, July 26-31, 2010.

  • Emergence of Space-time Structures, plenary talk at the European Conference on General Relativity and Gravitation, Granada, Spain, September 6-10, 2010.

  • Big Bang and the Quantum, Plenary talk at Chandrayana, Chennai, India, January 3-7, 2011.

  • The Many Faces of Black Holes, Public Lecture at the Chandrayana Conference, Chennai, India, January 3-7, 2011.

  • Introduction to Loop Quantum Gravity, Inaugural Lecture at the Third School on Quantum Geometry and Quantum Gravity, Zakopane, Poland, March 1-14, 2011.

  • Evaporation of 2-dimensional Black Holes: Unforeseen Universalities, at the Workshop at Numerical Relativity Beyond Astrophysics, Ann Arbor, Michigan, March 21-23, 2011.

  • Some recent Advances in loop Quantum Cosmology, plenary talk at the Loops 11 international Conference, Madrid, Spain, May 23-28, 2011.

  • Quantum Cosmology and the Very Early Universe, plenary talk at the International Conference on Quantum Theory and Gravitation held at ETH, Zurich, June 14-24, 2011.

  • A course of lectures on Introduction to Quantum Gravity, at the 6th Aegean School on Quantum Gravity and Cosmology, Naxos Island, Greece, September 12-17, 2011.

  • Big Bang and the Quantum, plenary talk at the 7th International Conference on Gravitation and Cosmology, held at Goa, India, December 14-19, 2011.

  • The AMON project, at the round table on Astronomy with a global network of gravitational wave detectors, at the 7th International Conference on Gravitation and Cosmology, held at Goa, India, December 14-19, 2011.

  • A Quantum Gravity Completion of the Inflationary Scenario, plenary lecture at the VIIth International Conference on mathematical Methods in Physics, CBPF, Rio de Jeneiro, Brazil April 16-20, 2012.

  • From the Big Bounce to the Near de Sitter Slow Roll, at the Workshop on Physics with Positive Cosmological Constant, Center for Fundamental Theory, Penn State, May 9-11, 2012.

  • The Very Early Universe: Interplay Between Theory and Observations, plenary lecture at the Sackler Conference on Testing General Relativity With Astrophysical Systems, Harvard, Cambridge, MA, May 14-17, 2012.

  • Loop Quantum Gravity and the Very Early Universe, plenary lecture at the Relativity and Gravitation: 100 Years After Einstein in Prague conference, Prague, The Czech Republic, June 25-29, 2012.

  • The Very Early Universe, Plenary interdisciplinary lecture, International Conference of the Committee on Space Research (COSPAR), Mysore, India July 16-20, 2012.

  • Emergence of Time, plenary lecture at the International Conference `The Time Machine Factory', Torino, Italy, October 14-19, 2012

  • An Extension of the Inflationary Scenario to the Planck Regime, plenary talk XXIInd Conference on General Relativity and Gravitation, Institute for Cosmology of the Early Universe, Tokyo, Japan, November 12-16, 2012.

  • Quantum Gravity and the Every Early Universe, plenary talk at the IXth Vienna Seminar on Particle Physics and Quantum Field Theory; Nov 30th - Dec 2nd, 2012.

  • A Loop quantum gravity extension of the inflationary scenario to the Planck scale, plenary lecture at the XIIth Mexican Conference on Cosmology for the 21st Century, Peurto Vallarta, December 3-7, 2012.

  • An LQG extension of the inflationary scenario to the Planck regime, at the Workshop on Quantum Gravity and Fundamental Cosmology, Albert Einstein Institute, Germany, March 4-8 (2013).

  • A new perspective on CP and T violation, at the Cosmology and Time Workshop at the Interface of Physics and Philosophy, April 4-6, 2013.

  • Time in fundamental Physics, at the Cosmology and Time Workshop at the Interface of Physics and Philosophy, April 4-6, 2013.

  • Quantum Gravity and the very early universe, Plenary talk at the 2nd Mediterranean Conference on Classical and Quantum Gravity, Veli Losinj, Croatia, June 10-15, 2013.

  • The last 50 years of general relativity and gravitation, Plenary talk at the 20th triennial international Conference on General Relativity and Gravitation, Warsaw, Poland, July 7-13, 2013.

  • Quantum space-times and unitarity of black hole evaporation, at the 20th triennial international Conference on General Relativity and Gravitation, Warsaw, Poland, July 7-13, 2013.

  • Loop quantum cosmology: Fundamentals and phenomenology, at the 20th triennial international Conference on General Relativity and Gravitation, Warsaw, Poland, July 7-13, 2013.

  • Promising paths, Plenary talk at the at the Loops13 international conference, Perimeter Institute, Canada, July 22-26 , 2013.

  • A series of lectures on Loop Quantum Cosmology and Cosmology, at the Quantum Gravity School, Sao Paolo, Brazil, organized jointly by the International Center for Fundamental Physics, Trieste, and the South American Institute for Fundamental Research. September 2-10, 2013.

  • Quantum gravity and the very early universe, Plenary talk at the VI International Conference `Quantum Gravity in the Southern Cone, held at Maresias, Brazil, September 11-14, 2013.

  • Loop quantum gravity and the very early universe, Plenary talk at the XVII the Texas Symposium on Relativistic Astrophysics; December 8-13, 2013.

  • Time and initial conditions in cosmology; at the Symposium on Quantum Time, held at the Center for Philosophy of Science, University of Pittsburgh; 28-29 March, 2014.

  • Dynamics near space-like singularities and quantum bounces, at the APS conference, held at Savanna; 5-9 April, 2014.

  • Positive cosmological constant: New challenges in general relativity and quantum gravity; at the Workshop on Quantum Gravity and Fundamental Issues in Cosmology, held at the Albert Einstein Institute, Golm, Germany; 2-6 March, 2014.

  • Gravitational physics with a positive cosmological constant: Some fundamental open issues; Plenary talk at the 15th Canadian Conference on Gravitation and General Relativistic Astrophysics; held at Winnipeg, Canada; 21-13 May, 2014.

  • A min-course on Loop Quantum Cosmology and the Very Early Universe, at the International SIGRAV Summer School on Gravity and the Quantum, held at Como, Italy; 1-7 June 2014.

  • Gravitational physics with a positive cosmological constant: Some fundamental open issues; Plenary talk at ERE 2014, International Conference on General Relativity and Gravitation, held at Valencia, Spain; 1-5 September 2014.

  • The very early universe: origin of space, time and the large scale structure, Plenary talk at the Mid-Atlantic Section of the APS Meeting, held at University Park, PA; 3-5 October, 2014.

  • Loop Quantum cosmology, Plenary talk at the Conference on Primordial Universe After Planck, held at Paris, France; 15-19 December 2014.

  • The Very Early Universe: Confrontation between Theory and Observations; session on Astronomy and Astrophysics of the 102nd Indian Science Congress; Mumbai, India, January 4th 2015.

  • Gravitation and the Cosmos: 100 Years after Einstein's discovery of General Relativity, Plenary public lecture at the 102nd Indian Science Congress; Mumbai, January 5th 2015.

  • Pre-inflationary dynamics of loop quantum cosmology: Interplay between theory and observations, Plenary talk at the Workshop on Cosmology and Quantum Gravity, Erlangen, Germany, February 9-13, 2015.

  • Even a tiny cosmological constant casts a long shadow, Plenary talk at the Garyfest conference, Kavli Institute, Santa Barbara, May 1-2, 2015.

  • Future of general relativity, at the Seven Pines Symposium, Plenary talk, Seven Pines, Minnesota, 11-14 May 2015.

  • Pre-inflationary dynamics of Loop Quantum Cosmology, Plenary talk at the International conference on Gravitation, Kavli Institute for Cosmology, Beijing, China, May 4-8, 2015.

  • The very early universe: Interplay between theory and observations, Plenary talk at the Conference on The first Century Beyond General Relativity, Rochester, May 28-19, 2015.

  • A fine balance, Plenary talk Loops15 Conference held at Erlangen, Germany, 6-10 July 2015.

  • Loop Quantum Gravity: Recent Advances, Plenary talk at the XIVth Marcel Grossmann conference, Rome, Italy, August 13 -17, 2015.

  • Black holes and unitarity, at the Fundamental Theory of Black Holes Session of the XIVth Marcel Grossmann conference, Rome, Italy, August 13 -17, 2015.

  • Loop quantum cosmology and the very early universe, at the Session on Loop Quantum Gravity and Cosmology, XIVth Marcel Grossmann conference, Rome, Italy, August 13 -17, 2015.

  • Resolution of cosmological singularities in loop quantum cosmology, at the session on Cosmology and Field Theory of the XIVth Marcel Grossmann conference, Rome, Italy, August 13 -17, 2015.

  • A set of five lectures on `Quantum Field Theory in Curved Space-times’ at the International School on Geometric, Algebraic and Topological Methods in Quantum Field Theory, Villa de Leyva, Colombia, July 27-August 1, 2015.

  • Even a tiny cosmological constant casts a long shadow, Plenary talk at the `Century of General Relativity’ conference, at the Century of General Relativity Conference, Berlin, Germany, Nov 30 – Dec 2, 2015.

  • Gravitational waves from isolated systems: The phantom menace of a positive cosmological constant, Plenary talk at the 25th Workshop on General Relativity and Gravitation, Kyoto, Japan, December 7 -11, 2015.

  • Isolated systems and gravitational waves with a positive cosmological constant, Plenary talk at the `Everything about Gravity’ Symposium celebrating the centenary of Einstein’s general relativity, Taipei, Taiwan, December 14-18 (2015).

  • Gravitational waves from isolated systems: Inclusion of a cosmological constant, at the International Conference on Mathematical General Relativity, at the Tsinghua Sanya Mathematics Forum, Sanya Island, China, Jan 5-8, 2016.

  • Quantum Gravity: An Overview, Plenary talk at the German Physical Society Conference, Hamburg, Germany, February 29 – March 4 (2016).

  • Is There an Origin of the Universe? Interplay between Theory and Observations, at the Seven Pines XX Symposium, Minneapolis, MN, May 11-14 (2016).

  • Origin of the Universe: A Quantum Geometry Perspective, at Carlofest: From Quantum Gravity to Philosophy conference, Marseille, France, May 23-17 (2016).

  • The Very Early Universe: Plenary talk at the Gordon Research Conference, General Relativity: Research and Teaching Einstein’s Physics, June 6-10 (2016).

  • The Fate of the Big Bang, plenary talk at the `Time in Cosmology’ Workshop, Perimeter Institute, Waterloo, Canada, June 27-30, (2016).

  • Loop Quantum Gravity: Some Recent Advances, at the Quantum Gravity Session of the 21st Conference of the International Society on General Relativity and Gravitation, New York, July 11-15 (2016).

  • Quantum Gravity in the Sky: Interplay Between Fundamental Theory and Observations, plenary lecture at the NEB17 conference, Mikonos, Greece, September 19-22 (2016).

  • Extracting New Physics in the Strong Field Regime, at the Physics and Astrophysics at the eXtreme workshop, Penn State, December 1-3 (2016).

  • Null Infinity, the BMS Group and Infrared Sectors, plenary talk at the Workshop on Infrared Problems in QED and Quantum Gravity, at the Perimeter Institute, December 7-8 (2016).

  • A set of 5 lectures on the Cosmology of the Very Early Universe, Beijing Normal University, Beijing, China, December 12-16 (2017).

  • A set of 5 lectures on the Very Early Universe, at Centre de Physique Theorique, Luminy, France, February-March (2017).

  • A set of 4 lectures on Asymptotics with Zero Cosmological Constant, at Centre de Physique Theorique, Luminy, France, February-March (2017).

  • Quantum Gravity in the Sky? Interplay Between Theory and Observations, plenary talk at the VIIth International Conference `Quantum Gravity in the Southern Cone’, March 30 – April 1 (2017).

  • General Relativity with Positive Cosmological Constant, plenary talk at the international conference GRAV17, held at Cordoba, Argentina, April 3-7 (2017).

  • Bounce in Loop Quantum Cosmology and Its Implications, plenary talk at the conference on Bounce Scenarios in Cosmology, held at the Perimeter Institute, Waterloo, Canada, June 26-28 (2017).

  • Advances in General Relativity and Gravitation: A Bird’s Eye View,Plenary talk at the Symposium on Gravity: Past, Present and Future, University of British Columbia, Canada, September 1-5 (2017).

  • The Two Way Bridge between Observations and Loop Quantum Cosmology, Plenary talk at the 4th Conference of the Polish Society on General Relativity, Kazimierz Dolny, Poland, September 24-19 (2017).

  • Surprises in the Theory of Gravitational Waves, Plenary talk at the Midwest Conference on General Relativity of the American Physical Society’s Division of Gravitational Physics, University of Michigan, October 12-14 (2017).

  • Tests of General relativity: An Introduction, at the Physics and Astrophysics at the Extreme (PAX) Workshop, Penn State, February 5-8 (2018).

  • Gravitational Waves: Interplay Between Geometry and Physics, Plenary talk at the Workshop on Mass in General Relativity, Simons Center, SUNY at Stony-Brook, March 26-30 (2018).

  • The Many Faces of Infrared issues: Plenary talk Some Recent Advances, at the Solvay Workshop on Infrared Issues, Solvay Institute, Brussels, Belgium, May 18-20 (2018).

  • Null Infinity, Radiation Fields and the BMS Group: Some surprises, Plenary talk at the Vth Polish Conference on General Relativity, Wroclaw, Poland, September 21-23 (2018).

  • Quantum Gravity in the sky? Interplay between fundamental theory and observations, Plenary talk at the Workshop on Quantum Fields: From Fundamental Concepts to Phenomenological Questions, Reuterfest, University of Mainz, September 24-27 (2018).

  • Big Bang, Black Holes and Gravitational Waves: Illustrations of Paradigm Shifts in Fundamental Science, Keynote address, Kauffman Foundation Symposium, Pittsburgh, October 26-27 (2018).

  • Public Lecture: Birla Institute for Technology and Science (BITS) Hyderabad, Big Bang, Black Holes and Gravitational Waves: Illustrations of Paradigm Shifts in Fundamental Science; January 7th, 2019.

  • Scenes from Multimessenger Astrophysics and Gravitational Waves; Plenary talk at the International Conference Multimessenger Astrophysics in the era of LIGO India, held at Khandala, India, January 14-18, 2019.

  • Some Unforeseen Aspects of Electromagnetic and Gravitational Waves, Invited talk at the April 2019 APS Meeting, ``From quarks to Cosmos'' Denver, Co April 13-16, 2019.

  • LQC: Some Conceptual and Mathematical Issues, Plenary talk; Black Holes Panel talk; and Closing Remarks; at the International Conference, Loops 19, held at Penn State, July 17-21 (2019)

  • Loop Quantum Gravity: A status Report; Plenary talk at the joint International conference GR22 and Amaldi 13th, July 7 -12, 2019, held at Valencia, Spain.

  • Overview of Theoretical Developments, at the Symposium on the Future of Gravitational Wave Astronomy, held at the International Center for Theoretical Studies, Bangalore, India, August 19-22, 2019.

  • Quantum Matter on Dynamical Backgrounds: Some Unforeseen Features, at the Hengstberger-Symposium on workshop on “Quantum gravity and matter”, Heidelberg, Germany, September 9-13, 2019.

  • Compact Binary Coalescence and the BMS group, at the Jurekfest, Warsaw, Poland, September 15-19, 2019.

  • Implications of the Quantum Nature of Space-time for the Big Bang and Black Holes, Plenary talk at the Emmy Noether Workshop, Perimeter Institute, Waterloo, CA, November 18-22 (2019).

  • Gravity and the Quantum, Featured Talk at the Science Writers 2019 Conference, held at Penn State, October 25-29, 2019.

  • Einstein-Rosen Waves and the Many Facets of Physical Reality, at the Workshop on Testing General Relativity, hosted on zoom by IIT Gandhinagar, India August 10-13, 2020.

  • Supermomentum Balance Laws at Null Infinity and Compact Binary Waveforms, at the International Workshop “Rethinking Relativistic 2-body Problem” hosted on zoom by the Albert Einstein Institute, Golm, Germany, August 24-28, 2020.

  • Quantum Gravity in the Sky? Alleviating the tensions in the CMB using Planck Scale Physics, Plenary talk at the 4th Zeldovich Meeting, held remotely by Zoom, September 7th -10th 2020.

  • Loop Quantum Gravity: Foundations and Applications to the Very Early Universe, PhysikCombo Lecture 1, at the DFG-RTG 2000 Lectures organized by Universities of Jena and Leipzig; September 15th, 2020.

  • Paradigm Shifts of the Last Century: Lessons for Young Researchers, PhysikCombo Lecture 2, at the DFG-RTG 2000 Lectures organized by Universities of Jena and Leipzig; September 17th, 2020.
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SCIENTIFIC BOOKS:
  1. A. Magnon and A. Ashtekar, Translation from French of Elie Cartan's work, "Sur les Varietes a Connexion Affine et la Relativite Generale" with a Commentary and Foreword by A. Trautman. Bibliopolis, Naples, 1986, 199 pages.

  2. A. Ashtekar, Asymptotic Quantization. Bibliopolis, Naples, 1987, 107 pages.

  3. A. Ashtekar, (with invited contributions) New Perspectives in Canonical Gravity.Bibliopolis, Naples, 1988, 324 pages.

  4. A. Ashtekar and J. Stachel, Editors; Conceptual Problems of Quantum Gravity. Proceedings of the 1988 Osgood Hill Conference (Birkhauser, N. Y., 1991), 602 pages.

  5. A. Ashtekar, Lectures on Non-perturbative Canonical Gravity, (Notes prepared in collaboration with R.S. Tate), (World Scientific Singapore, 1991), 334 pages.

  6. A. Ashtekar, R.C. Cohen, D. Howard, J. Renn, S. Sarkar and A. Shimony (Editors), Revisiting the Foundations of Relativisitic Physics, Festschrift in honor of John Stachel, Boston Studies in Phylosophy of Science, Volume 234, (Kluwer Academic, 2003).

  7. A. Ashtekar (Editor), 100 Years of Relativity  -  Space-Time structure: Einstein and Beyond (World Scientific, Singapore, 2005).

  8. A. Ashtekar (Editor in Chief), B. Berger. J. Isenberg, and M.A.H. MacCallum (editors), General Relativity and Gravitation: A Centenary Perspective, commissioned by the International Society on General Relativity and Gravitation to celebrate the 100th anniversary of Einstein's discovery of general relativity (Cambridge University Press, Cambridge, 2015)

  9. A. Ashtekar and J.P. Pullin (Editors), Loop Quantum Gravity: First 30 Years (World Scientific, Singapore, 2017), monograph in the '100 Years of General Relativity' series.
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SCIENTIFIC PAPERS:
  1. A. Ashtekar, and R. Geroch, Quantum Theory of Gravitation, Reports in Progress of Physics, 37, 1211-1256 (1974).

  2. A. Ashtekar and A. Magnon, The Sagnac Effect in General Relativity, Journal of Mathematical Physics, 16, 341-344 (1975).

  3. A. Ashtekar and A. Magnon, Quantan Fields in Curved Space-times, Proceedings of the Royal Society (London), A346, 375-394, (1975).

  4. A. Ashtekar and A. Magnon, Une Classe des Representations des Relations de Commutations Canoniques en Espace-temps Courbes, Comptes Rendus, Academie des Sciences (Paris) 280, 741-744 (1975).

  5. A. Ashtekar and A. Magnon, Sur Une Classe des Representations des Relations de Commutations en Espace-temps Courbes, Comptes Rendus, Academie des Sciences (Paris) 280, 833-8836, (1975).

  6. A. Ashtekar and A. Magnon, Sublimation d'ergospheres, Comptes Rendus Academie des Sciences (Paris), 281, 875-878 (1975).

  7. A. Ashtekar and R. O. Hansen, A Unified Treatment of Spatial and Null Infinity in General Relativity: Universal Structure, Asymptotic Symmetries and conserved Quantities at Spatial Infinity, Journal of Mathematical Physics, 19, 1542-1566 (1978).

  8. A. Ashtekar and A. Magnon, A Technique for Analyzing the Structure of Isometries, Journal of Mathematical Physics, 19, 1567-1572 (1978).
  9. A. Ashtekar and A. Sen, Quantum Fields in Curved Space-times: Existence and Uniqueness of the Vacuum State, Enrico Fermi Institute (Chicago) report (1978).

  10. A. Ashtekar and B. C. Xanthopoulos, Isometries Compatible With Asymptotic Flatness at Null Infinity, Journal of Mathematical Physics, 19, 2216-1122 (1978).

  11. A. Ashtekar, Gravitational Interaction and Spontaneous breaking of Symmetries, 1977 Gravity Prized Essay, Published in General Relativity and Gravitation 9, 3-7 (1978).

  12. A. Ashtekar a and A. Magnon, Une Remarque Concernant la Theorie Quantique des Champs en Espace-temps Courbes, Comptes Rendus, Academie des Sciences (Paris). 286, 531-534 (1978).

  13. A. Ashtekar and M. Streubel, On Angular Momentum of Stationary Gravitating Systems, Journal of Mathematical Physics, 20, 1362-1365 (1979).

  14. A. Ashtekar and A. Magnon, Energy-momentum in General Relativity, Physical Review Letters, 43, 181-184 (1979).

  15. A. Ashtekar and A. Sen, Some Geometric Aspects of Quantum Field Theory, In: The Proceedings of the 1979 Journees Relativistes ( University of Angers Press, Angers, France, 1979).

  16. A. Ashtekar a and A. Magnon, Conserved Quantities in General Relativity, Journal of Mathematical Physics 20, 1793-800 (1979).

  17. A. Ashtekar, Asymptotic Structure of the Gravitational Field at Spatial Infinity, In: General Relativity and Gravitation: One Hundred Years After the birth of Albert Einstein, edited by A. Held, (Plenum, New York, 1980).

  18. A. Ashtekar, Angular Momentum in General Relativity, In: Relativity and Cosmology, Edited by P. G. Bergmann and V. de Sabbatta (Plenum, New York, 1980).

  19. A. Ashtekar, On the Relation Between Classical and Quantum Observables, Communications in Mathematical Physics, 71, 59-64 (1980).

  20. A. Ashtekar and A. Sen, On the Role of Space-time Topology in Quantum Phenomena: Emergence of Non-trivial Vacua and Superselection of Charge, Journal of Mathematical Physics, 21, 862-867 (1980).

  21. A. Ashtekar and A. Magnon, A Geometrical Approach to External Potential Problems in Quantum Field Theory, General Relativity and Gravitation, 12, 205-223 (1980).

  22. A. Ashtekar, Relativite: La Revolution Solitaire d'Einstein, Address given to the Societe Francaise de Physique in 1979 on the occasion of the 100th Birthday of Albert Einstein, Published by the Clermont Fd. Chapter of the Societe (1980).

  23. A. Ashtekar and B. G. Schmidt, Null Infinity and Killing Fields, Journal of Mathematical Physics, 21, 862-867 (1980).

  24. A. Ashtekar and A. Magnon, A curiosity Concerning the Role of Coherent States in Quantum Field Theory, Pramana 15, 107-115 (1980).

  25. A. Ashtekar, On Quantum Aspects of Gravitation, Current Science, 49, 763-769 (1980).

  26. A. Ashtekar, Quantization of the Radiative Modes of the Gravitational Field, In: Quantum Gravity 2; Edited by C. J. Isham, R. Penrose, and D. W. Sciama (Oxford University Press, Oxford, 1981).

  27. A. Ashtekar and M. Streubel, Symplectic Geometry of Radiative Modes and Conseved Quantities at Null Infinity, Proceedings of the Royal Society (London), A376, 585-607 (1981).

  28. A. Ashtekar, Asymptotic Quantization of the Gravitational Field, Physical Review Letters, 46, 573-577 (1981).

  29. A. Ashtekar and T. Dray, On the Existence of Solutions to the Einstein Equation with on-zero Bondi News, Communications in Mathematical Physics, 79, 581-599 (1981).

  30. A. Ashtekar and K. S. Narain, Infrared Problems in Quantum Field Theory and Penrose's Null Infinity, Syracuse University Report, Presented at the VIth International Conference on Mathematical Physics (1981).

  31. A. Ashtekar, Radiative Degrees of Freedom of the Gravitational Field in Exact General Relativity, Journal of Mathematical Physics.22, 2885-2895 (1981).

  32. A. Ashtekar, From General Relativity to Quantum Gravity: A Status Report, In: Mathematical Problems in Theoretical Physics, Edited by R. Schrader, R. Seiler and D. A. Uhlenbrock (Springer-Verlag, Berlin, 1981).

  33. A. Ashtekar, Null Infinity and Killing Fields, Zentralblat fur Mathematik, 45.53047 (An Updated Summary of J. Math. Phys. 21, 862 (1980) by invitation of the Editor).

  34. A. Ashtekar and A. Magnon, A Geometrical Approach to External Potential Problems in Quantum Field Theory, Zentrablatt fur Mathematik 452.53043 ( An updated summary of Gen. Rel. and Grav. 12,2205 (1980) by invitation of the Editor).

  35. A. Ashtekar, G. T. Horowitz and A. Magnon, A Generalized Tensor Calculus and its Applications to physics, General Relativity and Gravitation 14,411-428 (1982).

  36. A. Ashtekar and A. Magnon, On the Symplectic Structure of General Relativity, Communications in Mathematical Physics, 86, 55-68 (1982).

  37. A. Ashtekar and G. T. Horowitz, Energy-Momentum of Isolated Systems Cannot be Null, Physics Letters 89A, 181-185 (1982).

  38. A. Ashtekar and A. Sen, NUT 4-Momenta Are Forever, Journal of Mathematical Physics, 23, 2168-2178 (1982).

  39. A. Ashtekar and J. Winicour, Linkages and Hamiltonians at Null Infinity, Journal of Mathematical Physics, 23, 2410-2417 (1982).

  40. A. Ashtekar and G. T. Horowitz, On the Canonical Approach to Quantum Gravity, Physical Review D26, 3342-3353 (1982).

  41. A. Ashtekar, Equations of Motion: The State of the Art, In: Gravitational Radiation, Edited by N. Deruelle and S. Pirain, (North-Holland Amsterdam, 19883).

  42. A. Ashtekar, On the Hamiltonian of General Relativity, Physics A124, 51-60. (1984).

  43. A. Ashtekar and G. T. Horowitz, Phase-space of General Relativity Revisited: A Canonical Choice of Time and Simplification of the Hamiltonian, Journal of Mathematical Physics, 25, 1473-13480 (1984).

  44. A. Ashtekar, Asymptotic Properties of Isolated Systems: Recent Developments, In: The Proceedings of the 10th International Conference on General Relativity and Gravitation, Edited by B. Bertotti, F. de Felice and A. Pascolini (D. Reidel, Dordrecht, 1984).

  45. A. Ashtekar, Proceedings of the Workshop on Quantum Gravity, in the volume cited in Ref. 44.

  46. A. Ashtekar and A. Magnon, From i to 3+1 Descriptions of Spatial Infinity, Journal of Mathematical Physics, 25, 2682-2690 (1984).

  47. A. Ashtekar, On the Boundary Conditions on Gravitational and Gauge Fields at Spatial Infinity, In: Mass and Asymptotic Behavior of Space-time Geometry, Edited by F. Flaherty (Springer-Verlag, Berlin 1984).

  48. A. Ashtekar and A. Magnon, Asymptotically anti-de Sitter Space-times, Classical and Quantum Gravity Letters, 1, L39-L41 (1984).

  49. A. Ashtekar, Gravitation Quantique, La Recherche, 15, 1400-1409 (1984).

  50. A. Ashtekar and K. S. Narain, Restoration of Broken Symmetry and Generaton of a Mass-gap. In: Random Walk in Relativity and Cosmology, a Festschrift for P. C. Vaidya and A. K. Raychaudhurei, (Eastern Wiley, New Delhi, 1985).

  51. A. Ashtekar, Logarithmic Ambiguities in the Description of Spatial Infinity, Foundations of Physics, 15, 419-435, (1985).

  52. A. Ashtekar, Self-duality and Spinorial Techniques in the Canonical Approach to Quantum Gravity, In: Quantum Concepts in Space and Time, Edited by C. J. Isham and R. Penrose, (Oxford University Press, Oxford, 1986).

  53. A. Ashtekar, On the Boundary Conditions for Gravitational and Gauge Fields at Spatial Infinity; Zentrablatt 26, 202-95 (1985) (An Updated Summary of Ref. 47 , by invitation of the Editors).

  54. A. Ashtekar and M. Stillerman, Geometric Quantization and Constrained Systems, Journal of Mathematical Physics, 27, 1319-1330, (1986).

  55. A. Ashtekar, A Note on Self-duality and Helicity, Journal of Mathematical Physics 27, 824-827 (1986).

  56. A. Ashtekar, New Variables for Classical and Quantum Gravity, Physical Review Letters, 57, 2244-2247 (1986).

  57. A. Ashtekar, L. Bombelli, and R. Koul, Phase Space Formulation of General Relativity Without 3+1 Splitting. In: The Physics of Phase Space, Edited by Y. S. Kim and W. W. Zachary (Springer-Verlag, Berlin, 1987).

  58. A. Ashtekar, Einstein Constraints in the Yang-Mills form, In: Constraint's Theory and Relativistic Dynamics, Edited by G. Longhi and L. Lusanna, (World Scientific, 1987).

  59. A. Ashtekar, A New Hamiltonian Formulation of General Relativity, Physical Review, D 36, 1587-1603 (1987).

  60. A. Ashtekar, Lectures on New Variables, Notes by R. V. Kulkarni and J. Samuel Poona University publication, (1987).

  61. A. Ashtekar, P. Mazur and C. G. Torre, BRST Structure of General Relativity in Terms of New Variables, Physical Review D36, 1587-1603 (1987).

  62. A. Ashtekar, A. 3+1 Formulation of Einstein Self-duality, In: Mathematics and General Relativity, Edited by J. Isenberg (American Mathematical Society, Providence, 1988).

  63. A. Ashtekar, T. Jacobson and L. Smolin, A New Characterization of Half-flat Solutions to Einstein's Equation, Communications in Mathematical Physics ,11, 631-648 (1988).

  64. A. Ashtekar, Micro-structure of Space-time in Quantum Gravity, In: The Proceedings of the 8th Workshop on Grand Unification, Edited by K. C. Wali (World Scientific, Singapore, 1988).

  65. A. Ashtekar, New Perspectives in Canonical Quantum Gravity, In: Highlights in Gravitation and Cosmology, edited by B. R. Iyer, A. Kembhavi, J. V. Narlikar, and C. V. Vishveshwara (Cambridge University Press, Cambridge, 1988).

  66. A. Ashtekar, A. P. Balachandran and S. G. Jo. The CP-Problem in Quantum Gravity, International Journal of Modern Physics, A4, 1493-1514 (1989).

  67. A. Ashtekar, J. D. Romano and R. Tate, New Variables for Gravity: Inclusion of Matter, Physical Review D 40, 2572-2587 (1989).

  68. A. Ashtekar, Recent Development in Hamiltonian Gravity, In: The Proceedings of the IXth International Conference on Mathematical Physics, edited by B. Simon, I. M. Davies and A. Truman (Adam-Higler, Bristol 1989).

  69. A. Ashtekar, Non-perturbative Quantum Gravity: A Status Report, In: General Relativity and Gravitational Physics, edited by M. Cerdonio, R. Cianci, M. Francaviglia, and M. Toller (World Scientific, Singapore, 1989).

  70. A. Ashtekar and J. D. Romano, Key 3+1 Equations in terms of New Variables (for numerical relativity). (SU Report, 1989).

  71. A. Ashtekar, Recent Developments in Quantum Gravity. Proceedings of the Texas Symposium on Relativistic Astrophysics, E. J. Fenyves (ed.) (New York Academy of Science, New York, 1989).

  72. A. Ashtekar, and J. D. Romano, Chern-Simons and Palatini Action and (2+1) Gravity, Physics Letters B. 229, 56-60, (1989).

  73. A. Ashtekar, V. Husain, C. Rovelli, J. Samuel, and L. Smolin, (2+1) Quantum Gravity as a Toy model for the (3+1) theory, Classical and Quantum Gravity 6, L185-L193 (1989).

  74. A. Ashtekar and J. Pullin, Bianchi Cosmologies: A New Description, In: Developments in General Relativity, Astrophysics and Cosmology, Annals of the Israel Physical Society, Vol 9, edited by F. Cooperstock, L. P. Horowitz, and J. Rosen, P 65-76, (Israel Physical Society, Jerusalem, 1990).

  75. A. Ashtekar, Self Duality, Quantum Gravity, Wilson Loops and All That, In: General Relativity and Gravitation, edited by N. Ashby, D. F. Bartlett, and W. Wyss, (Cambridge University Press, Cambridge, 1990).

  76. A. Ashtekar, L. Bombelli, and O. Reula, Covariant Phase Space of Asymptotically flat Gravitational Fields; In: Mechanics, Analysis and Geometry: 200 Years after Lagrange. Edited by M. Francaviglia and D. Holm (North Holland, Amsterdam 1990).

  77. A. Ashtekar, Lessons from (2+1) - dimensional Gravity In: Strings '90. Edited by R. Arnowitt et al. (World Scientific, Singapore, 1990).

  78. A. Ashtekar (Notes prepared in Collaboration with R. Tate), Non-perturbative Canonical Gravity, based on IUCAA-Poona Lectures , IUCAA Publication 1 (1990).

  79. A. Ashtekar, The Winding Road to Quantum Gravity in Conceptual Problems of Quantum Gravity, Edited by A. Ashtekar and J. Stachel (Birkhauser, Boston, 1991).

  80. A. Ashtekar, Old Problems in the Light of New Variables, In: Conceptual Problems of Quantum Gravity in OP, Cit.

  81. A. Ashtekar, Canonical Quantum Gravity, In: The Proceedings of the 1990 Banff Workshop on Gravitational Physics, Edited by R. Mann (World Scientific, Singapore 1991), and in the Proceedings of SILARG VIII Conference, Edited by M. Rosenbaum and M. Ryan, (World Scientific, Singapore, 1991).

  82. A. Ashtekar, C. Rovelli, and L. Smolin, Gravitons and Loops, Physical Review D44, 1740-1755, (1991).

  83. A. Ashtekar and J. Samuel, Bianchi Cosmologies: The Role of Spatial Topology Classical and Quantum Gravity, 8, 2191-2215 (1991).

  84. A. Ashtekar and R. Penrose, Mass Positivity from Focussing and Structure of io, Twistor Newsletter, 31 (1991); In: Further Advances in Twistor Theory, Volume II, Edited by L.J. Mason, L.P. Hughston and P.Z. Kobak (Longman and John Wiley and Sons, 1995).

  85. A. Ashtekar, C. Rovelli, and L. Smolin, Self Duality and Quantization, Journal of Geometry and Physics 8, 7-27 (1992).

  86. A. Ashtekar and C. J. Isham, Inequivalent Observable Algebras: A New ambiguity in field quantisation, Physics Letters B274, 393-398 (1992).

  87. A. Ashtekar, Loops, Gauge Fields, and Gravity, to appear In: The Proceedings of the VIth Marcel Grossmann Conference on General Relativity, Edited by T. Nakamura et al; and, In: The Proceedings of the VIIIth Canadian Conference on General Relativity and Gravitation, Edited by G. Kunstatter et al, (World Scientific, Singapore, 1992).

  88. A. Ashtekar and J. D. Romano, Spatial Infinity as a Boundary of Space-time, Classical and Quantum Gravity 9, 1069-1100 (1992).

  89. A. Ashtekar and C. Rovelli, A Loop Representation for the Quantum Maxwell Field, Classical and Quantum Gravity 9, 1121-1150 (1992).

  90. A. Ashtekar and C. J. Isham, Representations of the Holonomy Algebras of Gravity and Non-Abelian Gauge Theories. Classical and Quantum Gravity 9, 1433-1467 (1992).

  91. A. Ashtekar, C. Rovelli and L. Smolin, Weaving a Classical Geometry With Quantum Threads, Physical Review Letters 69, 237-240 (1992).

  92. A. Ashtekar and C. Rovelli, Loops and Quantum General Relativity, Classical and Quantum Gravity 9, S3-S12 (1992).

  93. A. Ashtekar, Lecture Notes by R. S. Tate, Physics in Loop Space; In: Proceedings of the Cochin Advanced School on Gravitation and Cosmology, edited by B.R. Iyer, S.V. Dhurandhar and K. Babu Joseph, (IUCAA, Pune, 1993).

  94. A. Ashtekar, Recent Developments in Classical and Quantum Theories of Connections Including General Relativity, In: The Proceedings of the Second International Conference on Gravitation and Cosmology, edited by C. Vishveshwara (Cambridge University Press, 1993).

  95. A. Ashtekar, Quantum Geometry, In: The Proceedings of the First Iberian Meeting on Gravity, Edited by M.C. Bento, O. Bertolomi and J.M. Mourao; and, String Quantum Gravity and Physics at the Planck Energy Scale, Edited by N. Sanchez, (World Scientific, 1993).

  96. A. Ashtekar, R.S. Tate and C. Uggla, Minisuperspaces: Symmeterics and Quantization, In: Misner Festschrift, Edited by B.L. Hu et al, (Cambridge University Press, 1993).

  97. A. Ashtekar, R.S. Tate and C. Uggla, Minisuperspaces: Observables and Quantization, International Journal of Modern Physics, 2, 15-50 (1993).

  98. A. Ashtekar and J. Lewandowski, Completeness of Wilson-Loop Functionals on the Moduli Space of SL(2,C) and SU(1,1) Connections. Classical and Quantum Gravity, 10, L69-L74 (1993).

  99. A. Ashtekar and J. Lewandowski, Representation Theory of Analytic Holonomy C*-Algebras. In: Knots and Quantum Gravity, edited by J. Baez (Oxford University Press, 1994).

  100. A. Ashtekar, Quantum Gravity: A Mathematical Physics Perspective, In: Mathematical Physics Towards XXIst Century, edited by R.N. Sen and A. Gersten (Ben Gurion University Press, 1994).

  101. A. Ashtekar, Overview and Outlook, In: Canonical Gravity: From Classical to Quantum, edited by J. Ehlers and H. Friedrich (Springer-Verlag, 1994).

  102. A. Ashtekar, D. Marolf and J. Mourão, Integration on the Space of Connections Modulo Gauge Transformations, to appear in the Proceedings of the Lanczos Centennial Conference (SIAM Publishers, 1994).

  103. A. Ashtekar and M. Varadarajan, Some Striking Properties of the Gravitational Hamiltonian, Physical Review D50, 4944-4956 (1994).

  104. A. Ashtekar and R.S. Tate, An Extension of the Dirac Program for Quantization of Constrained Systems: Examples, Journal of Mathematical Physics 34, 6434-6470 (1994).

  105. A. Ashtekar and J. Lee, Weak Field Limit of General Relativity: A New Hamiltonian Formulation. International Journal of Modern Physics, D3, 675-693 (1994).

  106. A. Ashtekar and R. Loll, New Loop Representations for 2+1 Gravity, Classical and Quantum Gravity 11, 2417-2442 (1994).

  107. A. Ashtekar, J. Lewandowski, D. Marolf, J. Mourão and T. Thiemann, A Manifestly Gauge Invariant Approach to Quantum Theories of Gauge Fields. In: The Proceedings of the Newton Institute Workshop on Constrained Systems, edited by J. Charap (Cambridge University Press, Cambridge, 1994).

  108. A. Ashtekar, Mathematical Problems of Non-perturbative Quantum General Relativity, Amsterdam, in Gravitation and Quantizations, edited by B. Julia and J. Zinn-Justin, Amsterdam (Elsevier, 1995).

  109. A. Ashtekar, Recent Mathematical Developments in Quantum General Relativity, In: The Proceedings of the VII Marcel Grossmann International Conference, edited by R. Ruffini and M. Keiser (World Scientific, Singapore, 1995), and The Proceedings of PASCOS-94, edited by K.C. Wali (World Scientific, Singapore, 1995). gr-qc/9411055.

  110. A. Ashtekar, J. Lewandowski, Projective Techniques and Functional Integration for Gauge Theories, Journal of Mathematical Physics, 36, 2170-2191 (1995).

  111. A. Ashtekar and T.A. Schilling, Geometry of Quantum Mechanics, in: The Proceedings of the First Canadian-American-Mexican Physical Societies' Conference, edited by A. Zepeda, (American Institute of Physics, NY 1996).

  112. A. Ashtekar and J. Lewandowski, Differential Geometry on the Space of Connections Using Projective Techniques, Journal of Geometry and Physics, 17, 191-230 (1995).

  113. A. Ashtekar, Probing Quantum Geometry, in: The Proceedings of the Puri Workshop on Planck Scale Physics, edited by J. Maharana (World Scientific, Singapore 1995).

  114. A. Ashtekar, J. Lewandowski, D. Marolf, J. Mourão, T. Thiemann, Quantization of Diffeomorphism Theories of Connection with Local Degrees of Freedom, Journal of Mathematical Physics 36, 6456-6493 (1995).

  115. A. Ashtekar, Polymer Geometry at Planck Scale and Quantum Einstein's Equations; Acta Cosmologica, XX1-2, 85-110, (1995). Reproduced in: The Proceedings of General Relativity and Gravitation, 1995, edited by M. Francaviglia (World Scientific, Singapore, 1996); The Proceedings of the 1995 Erice Workshop on Planck Scale Physics, edited by N. Sanchez (Kluwer, Amsterdam, 1995), gr-qc/9601054, International Journal of Modern Physics, 5, 629-648 (1996).

  116. A. Ashtekar, J. Lewandowski, D. Marolf, J. Mourão and T. Thiemann, Coherent State Transform on the Space of Connections, Journal of Functional Analysis 135, 519-551 (1996).

  117. A. Ashtekar, Generalized Wick Transform for Gravity, Physical Review D53 (Rapid Communications), R2865-69 (1996), gr-qc-9511083.

  118. A. Ashtekar, S. Chandrasekhar's Contributions to General Relativity, Current Science 70, 800-805 (1996).

  119. A. Ashtekar, Large Quantum Gravity Effects: Unforeseen Limitations of Classical Theory, Physical Review Letters 77, 4864-67 (1996), gr-qc/9610008.

  120. A. Ashtekar and M. Pierri, Probing Quantum Gravity Through Exactly Soluble Midi-Superspaces I, Journal of Mathematical Physics, 37, 6250-70 (1996), gr-qc/9606085.

  121. A. Ashtekar, Quantum Gravity: A Personal Perspective, American Chapter of Indian Physics Association 10, no. 4 (1996).

  122. A. Ashtekar and J. Lewandowski, Quantum Theory of Geometry I: Area Operators, Classical and Quantum Gravity, 14, A55-A81 (1997), gr-qc/9602046.

  123. A. Ashtekar, J. Bicak, Bernd G. Schmidt, Asymptotic Structure of Symmetry Reduced General Relativity, Physical Review D 55, 669-686 (1997), gr-qc/960842.

  124. A. Ashtekar, J. Bicak, Bernd G. Schmidt, Behavior of Einstein-Rosen Waves at Null Infinity, Physical Review D 55, 687-694 (1997), gr-qc/960841.

  125. A. Ashtekar and A. Corichi, Photon Inner-Product and the Gauss Linking Number, Classical and Quantum Gravity, 14, A43-A53 (1997), gr-qc/960817.

  126. A. Ashtekar, and J. Lewandowski, Quantum Field Theory of Geometry, In: The Proceedings of the Conference on Historical Examination and Philosophical Reflections on the Foundations of Quantum Field Theory, hep-th/9603083.

  127. P. Aichelburg and A. Ashtekar, Mathematical Problems of Quantum Gravity (Abstracts of seminars presented at the summer '96 Workshop at the Erwin Schrodinger Institute Vienna), gr-qc/9701042.

  128. A. Ashtekar and A. Corichi, Gauss Linking Number and Electromagnetic Uncertainty Principle, Physical Review D56, 2073-2079 (1997), hep-th/9701136.

  129. A. Ashtekar, Quantum Mechanics of Riemannian Geometry, In: the Proceedings of the Barcelona Workshop Fisica I Geometria and Pacific Conference on Gravitation and Cosmology, edited by D. Jou (Institut D'Estudis Catan, Barcelona, 1997).

  130. A. Ashtekar, Geometric Issues in Quantum Gravity, In: Geometric Issues in the Foundation of Science; Penrose Festschrift, edited by L. Mason et al (Oxford University Press 1997).

  131. A. Ashtekar and J. Lewandowski, Quantum Theory of Geometry II, Volume Operators, Advances in Mathematical and Theoretical Physics, 1, 388-429 (1997), gr-qc/9711031.

  132. A. Ashtekar, J. Lewandowski, D. Marolf, J. Mourão and T. Thiemann, SU(N) Quantum Yang Mills Theory in Two Dimensions: A Complete Solution, Journal of Mathematical Physics, 38, 5453-5482 (1977), hep-th/9605128.

  133. A. Ashtekar, J. Baez, A. Corichi, and K. Krasnov, Quantum Geometry and Black Hole Entropy, Physical Review Letters, 80, 904-907 (1998), gr-qc/9711031.

  134. A. Ashtekar, S. Chandrasekhar: A Personal Portrait, In: Chandra, Man Behind the Legend, edited by K.-C. Wali (Imperial College Press, London, 1998).

  135. A. Ashtekar and T.A. Schilling, Geometrical Formulation of Quantum Mechanics, in: On Einstein's Path, edited by A. Harvey (Springer-Verlag, Berlin, 1998), gr-qc/9706069.

  136. A. Ashtekar and V. Husain, Symmetry Reduced Einstein Gravity and Generalized ( and Chiral Models, International Journal of Modern Physics D, D7, 549-566 (1998).

  137. A. Ashtekar, A. Corichi and J.A. Zapata, Quantum Theory of Geometry: III. Noncommutativity of Riemannian Structures.

  138. A. Ashtekar, A. Corichi and M. Pierri, Geometry in Color Perception, In: Black Holes, Gravitational Radiation and the University, (Kluwer Dodrecht, 1999), p. 535-549, CGPG pre-print 97/12-7.

  139. A. Ashtekar and K. Krasnov, Quantum Geometry and Black Holes, In: Black Holes, Gravitational Radiation and the Universe, edited by B. Iyer and B. Bhawal (Kluwer Dodrecht, 1999), p. 149-170, gr-qc/9804039.

  140. A. Ashtekar, C. Beetle and S. Fairhurst, Isolated Horizons: A Generalization of Black Hole Mechanics, Classical and Quantum Gravity, 16, L1-L7 (1999), gr/qc 9812065.

  141. A. Ashtekar, Quantum Mechanics of Riemannian Geometry, in Pacific Conference on Gravitation and Cosmology, edited by S. Kim and J. Lee (1999).

  142. A. Ashtekar, Quantum Gravity, in Encyclopedia for Astronomy and Astrophysics (Institute of Physics, Bristol, 1999).

  143. A. Ashtekar, A. Corichi, K. Krasnov, Isolated Horizons: The Classical Phase Space, Advances in Theoretical and Mathematical Physics, 3, 418-471 (1999), gr-qc/9905089.

  144. A. Ashtekar, Quantum Mechanics of Geometry, in: The Universe: Visions and Perspectives, edited by N. Dadhich and A. Kembhavi (Kluwer, Dordrecht, 1999).

  145. A. Ashtekar, C. Beetle and S. Fairhurst, Mechanics of Isolated Horizons, Classical and Quantum Gravity, 17, 253-298 (2000), gr-qc/9907068.

  146. A. Ashtekar, Interface of General Relativity, Quantum Physics and Statistical Mechanics: Some Recent Developments, Annalen der Physik, 9, 178-198 (2000), gr-qc/9910101.

  147. A. Ashtekar and S. Das, Asymptotically Anti-de Sitter Space-times: Conserved Quantities, Classical and Quantum Gravity, 17, L17-L30 (2000), hep-th/9911230.

  148. A. Ashtekar and A. Corichi, Laws Governing Isolated Horizons: Inclusion of Dilaton Couplings, Classical and Quantum Gravity, 17, 1317-1332 (2000), gr-qc/9910068.

  149. A. Ashtekar, C. Beetle, O. Dreyer, S. Fairhurst, B. Krishnan, J. Lewandowski, and J. Wisniewski, Isolated Horizons and Their Applications, Physical Review Letters, 85, 3564-3567 (2000), gr-qc/0006006.

  150. A. Ashtekar, J. Baez and K. Krasnov, Quantum Geometry of Isolated Horizons and Black Hole Entropy, Advances in Theoretical and Mathematical Physics, 4, 1-95 (2000), gr-qc/0005126.

  151. A. Ashtekar, S. Fairhurst, and B. Krishnan, Laws Governing Isolated Horizons: Inclusion of Distortion, Physical Review D62, 104025 (2000), gr-qc/0005083.

  152. A. Ashtekar, D. Marolf, J. Mourão, T. Thiemann, Osterwalder-Schrader Reconstruction and Diffeomorphism Invariance, Classical and Quantum Gravity, 17, 4919-4940 (2000) quant-ph/9904094.

  153. A. Ashtekar, A. Corichi and D. Sudarsky, Hairy Black Holes, Horizon Mass and Solitons, Classical and Quantum Gravity, 18, 919-940 (2001), gr-qc/0011081.

  154. A. Ashtekar, Gravity, Geometry and the Quantum, in: Physics 2001: Problems for the 21st century, edited by M. Kumar (World Scientific, Singapore 2000).

  155. A. Ashtekar, C. Beetle, J. Lewandowski, Mechanics of Rotating Isolated Horizons, Physical Review D64 (2001) 044016, gr-qc/0103026.

  156. A. Ashtekar and J. Lewandowski, Relation Between Polymer and Fock Excitations, Classical and Quantum Gravity, 18, L117-L128 (2001), gr-qc/0107043.

  157. A. Ashtekar, C. Beetle and J. Lewandowski, Geometry of Generic Isolated Horizons, Classical and Quantum Gravity, 19, 1195-1225 (2002), gr-qc/0111067.

  158. A. Ashhtekar, O. Dreyer and J. Wisniewski, Isolated horizons in 2+1 gravity, Advances in Theoretical and Mathematical Physics, 6, 507-555 (2002); gr-qc/0206024.

  159. A. Ashtekar and B. Krishnan, Dynamical horizons: Energy, angular momentum, fluxes and balance laws, Physical Review Letters, 89, 261101 (2002); gr-qc/0207080.

  160. A. Ashtekar, Beyond Einstein: Gravity, geometry and the quantum, In: La Philosophie et de la nature aujourd'hui: Les apports des mathematique's, de las physique et de la Biologie, edited by J.-M. Alimi, L. Boi, J. Kouneiher and D. Lambert (Peter Lang, Paris 2003).

  161. A. Ashtekar, Quantum Geometry and Gravity: Recent Advances in: The Proceedings of the 16th International Conference on General Relativity and Gravitation, edited by N. Bishop, gr-qc/0110238.

  162. A. Ashtekar, The Second Black Body Problem: Interface of General Relativity, Quantum Theory and Statistical Mechanics, in Highlights of Mathematical Physics, edited by A. Fokas, J. Halliwel, T. Kibble and B. Zegarlinski (2002).

  163. A. Ashtekar, J. Lewandowski and H. Sahlmann, Polymer and Fock Representations for a Scalar Field, Classical and Quantum Gravity, 20, L11-21 (2003), gr-qc/0211012.

  164. A. Ashtekar, S. Fairhurst and J.L. Willis, Quantum Gravity, Shadow States and Quantum Mechanics, Classical and Quantum Gravity, 20, 1031-1062 (2003), gr-qc/0207106

  165. A. Ashtekar, Physical Issues of Quantum Gravity: Black Holes and Big Bang, In: Proceedings of the third International Sakharov Conference, Volume 2, edited by A. Semikhatov, M. Vassiliev and V. Zaikin, (Scientific World, Moscow), pages 682-699 (2003).

  166. A. Ashtekar, Quantum Geometry and its Ramifications, In: The Future of Theoretical Physics and Cosmology, A volume in honor of Stephen Hawking's 60th birthday, edited by G. Gibbons, Paul Shellard and Stuart Ranking (Cambridge University Press, 2003).

  167. A. Ashtekar, A. Corichi and D. Sudarsky, Non-minimally Coupled Scalar Fields and Isolated Horizons, Classical and Quantum Gravity, 20, 413-3426 (2003), gr-qc/0304044.

  168. A. Ashtekar, M. Bojowald and J. Lewandowski, Mathematical Structure of Loop Quantum Cosmology, Advances in Theoretical and Mathematical Physics, 7, 233-268 (2003), gr-qc/0304074.

  169. A. Ashtekar and A. Corichi, Non-minimal Couplings, Quantum Geometry and Black Hole Entropy, Classical and Quantum Gravity, 20, 4473-4484 (2003), gr-qc/0305082.

  170. A. Ashtekar, Quantum Geometry in Action: Big Bang and Black Holes, In: Graphs and Patterns in Mathematical and Theoretical Physics, Volume in honor or Dennis Sullivan (American Mathematical Society, 2003).

  171. A. Ashtekar and B. Krishnan, Dynamical Horizons and Their Properties, Physical Review D 68, 104030 (2003), gr-qc/0308033.

  172. A. Ashtekar, How Black Holes Grow, In: Mathematical Physics, General Relativity and Cosmology (World Scientific), in press, gr-qc/0306115.

  173. A. Ashtekar, Addressing Challenges of Quantum Gravity Through Quantum Geometry; Annales de Institut Henri Poincare, 4, S55-69 (2003).

  174. A. Ashtekar, Quantum Geometry in Action: Big Bang and Black Holes, In: Graphs and Patterns in Mathematical and Theoretical Physics, Volume in honor of Dennis Sullivan (American Mathematical Society, 2003).

  175. A. Ashtekar, J. Engle, T. Pawlowski and C. Van Den Broeck, Multipole moments of isolated horizons, Classical and Quantum Gravity, 21, 2549-2570 (2004).

  176. A. Ashtekar and J. Lewandowski, Background independent quantum gravity: A status report, Classical and Quantum Gravity, 21, R53-R152 (2004). [Review article commissioned by the British Institute of Physics]

  177. A. Ashtekar and B. Krishnan, Isolated and dynamical Horizons and their applications, Living Reviews in Relativity, no 10, 1-77 (2004). [invited review]

  178. A. Ashtekar, J. Engle and C. Van Den Broeck, Quantum horizons and black hole entropy: Inclusion of distortion and rotation, Classical and Quantum Gravity, 22, L27-L34 (2005), gr-qc/0412003.

  179. A. Ashtekar, Einstein's Dream: A Scientific and Political Vision for Uneasy Times, in Einstein -- Peace Now edited by R. Braun and D. Kreiger (based on an interview by E. Sierker) (Wiley, VCH Verlag, Weinheim 2005); [German Version: Einsteins Traeume - eine Wissenschaftliche und Politische Vision fuer Unsere Zukunft, In Albert Einstein, Frieden Heute - Visioen und Ideen, Herausgegeben von Reiner Braun & David Krieger (Melzer Verlag, Neu Isenburg, 2005).

  180. A. Ashtekar, L. Bombelli and A. Corichi, Semiclassical states for constrained systems, Physical Review D72, 025008 (2005).

  181. A. Ashtekar and M. Bojowald, Black hole evaporation: A new paradigm, Classical and Quantum Gravity, 22, 3349-3362 (2005).

  182. A. Ashtekar and G. Galloway, Some uniqueness results for dynamical horizons, Advances in Mathematical and Theoretical Physics, 9, 1-34 (2005).

  183. A. Ashtekar, Gravity and the quantum, New Journal of Physics, 7, 200-232 (2005).

  184. A. Ashtekar, The winding road to quantum gravity, Current Science, 89, 2064-2075 (2005). (Special Issue on Einstein's Legacy)

  185. A. Ashtekar, Quantum geometry and its ramification, In 100 Years of Relativity (Space-time Structure: Einstein and Beyond), World Scientific, Singapore (2005).

  186. A. Ashtekar and J. Lewandowski, Quantum geometry and its applications, Encyclopedia of Mathematical Physics, 230-236 (Elsevier, 2006).

  187. A. Ashtekar, Black Hole Mechanics, Encyclopedia of Mathematical Physics, 300-305, (Elsevier, 2006).

  188. A. Ashtekar and M. Bojowald, Quantum geometry and the Schwarzschild singularity, Classical and Quantum Gravity, 23, 391-411 (2006).

  189. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the Big Bang, Physical Review Letters, 96, 141301-141304 (2006).

  190. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the big-bang: An analytical and numerical investigation, Physical Review D73, 124038-124071 (2006).

  191. A. Ashtekar, Gravity, geometry and the quantum, In Proceedings of the Conference "Einstein's Century," edited by J. P. Alimi (AIP, New York, 2006).

  192. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the big bang: Improved dynamics, Physical Review D74, 084003-084026 (2006).

  193. A. Ashtekar, The issue of the beginning in quantum gravity, In Proceedings of the 7th International Conference on the history of general relativity, edited by C. Lehner et al, (Springer, Berlin, 2006).

  194. A. Ashtekar, Space and time: From antiquity to Einstein and beyond, Resonance 11, No. 9, 4-19 (2006).

  195. A. Ashtekar, Physics from geometry, Nature Physics 2, 726-727 (2006). [An invited News and Views article]

  196. A. Ashtekar, What did we learn from quantum gravity, In: Beyond the Quantum, edited by Th. M. Nieuwenhuizen, V. Spicka, B. Mehmani, M, Jafar-Aghdami and a. Yu Khrennikov (World Scientific, 2007)

  197. A. Ashtekar, Black Hole Dynamics in General Relativity, Parmama 69, 77-92 (2007)

  198. A. Ashtekar, T. Pawlowski and C. Van Den Broeck, Mechanics of Higher Dimensional Black Holes in Asymptotically anti-de Sitter Space Times, Classical and Quantum Gravity, 24, 625-644 (2007) gr-qc/0611049

  199. A. Ashtekar, T. Pawlowski, P. Singh and K. Vandersloot, Loop Quantum Cosmology of k=1 FRW Models, Physical Review D75, 024035-1-26 (2007) gr-qc/0612104

  200. A. Ashtekar, An Introduction to Loop Quantum Gravity Through Cosmology, Nuovo Cimeto 122, No 2, 1-20 (2007); gr-qc/0702030

  201. A. Ashtekar, Loop Quantum Gravity: Four Recent Advances and A Dozen Frequently Asked Questions, Proceedings of the 11th Marcel Grossmann Conference, edited by R. Jantzen and R. Ruffini. (World Scientific, Singapore, 2007); arXiv:0705.2222

  202. A. Ashtekar and M. Bojowald, Loop Quantum Cosmology I: Resolving the Big Bang Singularity from First Principles, In Beyond the Big Bang, edited by R. Vaas (Springer-Verlag, Berlin 2007)

  203. A. Ashtekar, A. Corichi and P. Singh, On the robustness of key features of loop quantum gravity, Physical Review D77, 024046 (2008), arXiv: 0710:3565

  204. A. Ashtekar, J. Engle and D. Sloan, Asymptotics and Hamiltonians in a first order formalism, Classical and Quantum Gravity, 25, 095020 (2008), arXiv:0802.2527

  205. A. Ashtekar, V. Taveras and M. Varadarajan, Information is not lost in the evaporation of 2-dimensional black holes, Physical Review Letters 100, 211302 (2008), arVix:0801.1811

  206. A. Ashtekar, E. Wilson Ewing, The covariant entropy bound and loop quantum cosmology, Physical Review D78, 064047 (2008), arXiv:0805.3511

  207. A. Ashtekar and D. Sloan, Action and Hamiltonians in higher dimensional general relativity, Classical and Quantum Gravity 25, 225025 (2008), arXiv:0808.0269

  208. A. Ashtekar, Gravity, Geometry and the Quantum, Proceedings of the Physics Diversity Summit and the 2008 Joint Annual Conference of the National Societies of black and Hispanic Physicists, American Institute of Physics Conference Proceedings, Volume 1140, 32-41 (2009)

  209. A. Ashtekar, Quantum Space-time: Beyond the continuum of Minkowski and Einstein, In: Minkowski space-time: A hundred years later, edited by V. Petkov (Springer-Verlag, Berlin, 2009), arXiv:0810,0514.

  210. A. Ashtekar, A. Henderson and D. Sloan, Hamiltonian general relativity and the Belinskii, Khalatnikov, Lifshitz conjecture, Classical and Quantum Gravity, 26, 052001 (2009). rXiv: 0811.4160

  211. A. Ashtekar, Loop quantum cosmology: An overview, General Relativity and Gravitation 41, 707-741 (2009), arXiv: 0812.0177.

  212. A. Ashtekar, Classical singularities and quantum space-times, In: The Proceedings of the `Beyond Einstein Conference’ edited by D. Rowe (Birkhauser, Boston, 2009).

  213. A. Ashtekar, Singularity resolution in loop quantum cosmology: A Brief Overview, Journal of Physics, Conference Series 189, 012003 (2009); arXiv:0812.4703.

  214. A. Ashtekar, The issue of the Beginning in quantum gravity, In: The proceedings of the Workshop on Geometry, Topology, QFT and Cosmology, edited by J. Kouneiher, (Hermann, Paris, 2009).

  215. A. Ashtekar, W. Kaminski and L. Lewandowski, Quantum field theory on a cosmological, quantum space-time, Physical Review D79, 064030 (2009), arXiv:0901.0933.

  216. A. Ashtekar and E. Wilson-Ewing, Loop quantum cosmology of Bianchi I models, Physical Review D79, 083535 (2009); arXiv:0903.3397.

  217. A. Ashtekar, Some surprising implications of background independence in canonical quantum gravity, General Relativity and Gravitation, 41, 1927-1943 (2009), arXiv:0904.0184.

  218. A. Ashtekar, M. Campiglia and A. Henderson, Loop quantum cosmology and spin foam models, Physics Letters B681, 347-352 (2009); arXiv:0909.4221.

  219. A. Ashtekar, E. Wilson-Ewing, Loop quantum cosmology of Bianchi II models, Physical Review D80, 123532 (2009); arXiv:0910.1078.

  220. A. Ashtekar and D. Sloan, Loop quantum cosmology and slow roll inflation, Physics Letters B694 2, 108-112 (2010); arXiv:0912.4093,

  221. A Ashtekar, The big bang and the quantum, AIP Conf. Proceedings 1241, 109-121 (2010); arXiv: 1005.5491.

  222. A. Ashtekar, M. Campiglia and A. Henderson, Casting loop quantum cosmology in the spin foam paradigm, Classical and quantum gravity, 27, 135020 (2010); arXiv: 1001.5147.

  223. A. Ashtekar, M. Campiglia and A. Henderson, Path integrals and the WKB approximation in loop quantum cosmology, Physical Review D 82, 124043 1-12 (2010); arXiv:1011.1024.

  224. A. Ashtekar, F. Pretorius and F. Ramazanoglu, Surprises in the evaporation of two dimensional black holes, Physical Review Letters 106, 161303 1-4 (2011); arXiv:1011.6442.

  225. A. Ashtekar, A. Henderson and D. Sloan, A Hamiltonian formulation of the BKL conjecture, Physical Review D83, 084024 1-15 (2011); arXiv:1103.2475.

  226. A. Ashtekar, F. Pretorius and F. Ramazanoglu, Evaporation of two dimensional black holes, Physical Review D83, 044040 1-18 (2011); arXiv:1012.0077.

  227. A. Ashtekar, S. Chandrasekhar's contributions to general relativity, Physics News, 41, 38-47 (2011); available at http://www.gravity.psu.edu/outreach/index.shtml.

  228. A. Ashtekar and D. Sloan, Probability of inflation in loop quantum cosmology, General Relativity and Gravitation, DOI 10.1007/s10714-011-1246-y (2011).

  229. A. Ashtekar and P. Singh, Loop quantum cosmology: A status report; Classical and Quantum Gravity 28, 213001, 1-123 (2011), arXiv:1108.0893.

  230. A. Ashtekar, Space and Time: The issue of the Beginning and the End, In: Le N\'eant dans la Pens\'ee Contemporaine}, edited by Norbert-Bertrand Barbe, (Bes Editions, Paris, 2011).

  231. A. Ashtekar, Professor S. Chandrasekhar: Some personal reflections, Physics News, 41, 87 (2011)

  232. A. Ashtekar, Introduction to loop quantum gravity, PoS-qgqg2011-01 (2012); arXiv:1201.4598.

  233. A. Ashtekar, Some recent advances in loop quantum cosmology, Journal of Physics: Conference Series, 360, 012001 1-9 (2012)

  234. A. Ashtekar, Black holes in general relativity, in: Road to Reality with Roger Penrose, edited by J. Ladyman (Cambridge University Press, at Press)

  235. A. Ashtekar and T. Pawlowski, Positive cosmological constant in loop quantum cosmology, Physical Review D 85, 064001-22 (2012); arXiv:1112-0360

  236. A. Ashtekar, Introduction to loop quantum gravity, Pos/QGQG2011-001, edited by F. Hellmann et al; arXiv 1201.4598.

  237. A. Ashtekar and M. Campiglia, On the Uniqueness of Kinematics of Loop Quantum Cosmology, Class. Quantum Grav. 29, 242001 (2012); arXiv: 1209.4373

  238. I. Agullo, A. Ashtekar and W. Nelson, A Quantum Gravity Extension of the Inflationary Scenario, Phys. Rev. Lett. 109, 251301 (2012) ; arXiv: 1209.1609

  239. A. Ashtekar, Some recent advances in loop quantum cosmology, J. Phys: Conf. Ser. 360, 012001, 1-9 (2012)

  240. A. Ashtekar, Introduction to loop quantum gravity and cosmology, In; The Proceedings of the Sixth Aegean Summer School, Held at Naxos, Greece, (Ed L. Papantonopoulos, Springer, 2012).

  241. I. Agullo, A. Ashtekar and W. Nelson, An extension of the quantum theory of cosmological perturbations to the Planck era, Physical Review D87, 043507 1-31 (2013); arXiv:1211:1354

  242. I. Agullo, A. Ashtekar and W. Nelson, Pre-inflationary dynamics of loop quantum cosmology: Confronting quantum gravity with observations, Classical and Quantum Gravity, 30, 085014 1-56 (2013); arXiv: 1302.0254

  243. A. Ashtekar and M. Campiglia and S. Shah, Dynamical black holes: Approach to the final state, Physical Review D 88, 064045 1-17 (2013); arXiv: 1306.5697

  244. A. Ashtekar, Loop quantum gravity and the Planck regime of cosmology, In: Relativity and Gravitation, 100 Years after Einstein in Prague, Edition Open Access & Liv. Rev. Relativity, (2013); arXiv: 1303.4989

  245. A. Ashtekar, A New Perspective on CP and T violation, Journal of History and Philosophy of Science (at Press); arXiv:1307.1331

  246. A. Ashtekar, The last 50 years of general relativity: From GR3 to GR20 Warsaw Conferences, General Relativity and Gravitation (at Press), arXiv:1312.6425

  247. A. Ashtekar, Time in fundamental physics, Journal of History and Philosophy of Science, Special Issue on Time and Cosmology (2014) (10pp); arXiv:1312.6322

  248. I. Agullo, A. Ashtekar and W. Nelson, A quantum gravity extension of the inflationary paradigm, in: The Proceedings of the 13th Marcel Grossman meeting, edited by R. Janztsen and R. Ruffini (World Scientific, Singapore, at Press).

  249. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics with a Positive Cosmological Constant: I. Basic Framework, Classical and Quantum Gravity, 32, 025004 (41pp) (2014); arXiv: 1409.5823.

  250. A. Ashtekar, B.K. Berger, J. Isenberg and M.A.H. MacCallum, General Relativity and Gravitation: A Centennial Perspective (37pp); arXiv: 1409.5823

  251. A. Ashtekar, Geometry and Physics of Null Infinity, prepared for Surveys in Differential Geometry, edited by L. Bieri and S.T. Yau, International Press, Boston (2015); arXiv: 1409:1800.

  252. A. Ashtekar, C. Rovelli and M. Reuter, From General Relativity to Quantum Gravity, in General Relativity and Gravitation: A Centennial Perspective, edited by A. Ashtekar, B.K. Berger, J. Isenberg and M.A.H. MacCallum, Cambridge University Press, Cambridge (2015); arXiv: 1408:4336.

  253. I. Agullo, W. Nelson and A. Ashtekar, Preferred Instantaneous Vacuum for Linear Fields in Cosmological Space-Times, Physical Review D91, 064051 (2015); arXiv: 1412:3424.

  254. I Agullo and A. Ashtekar, Unitarity and Ultraviolet Regularity in Cosmology, Physical Review D91, 124010 (2015); arXiv: 1503.03407.

  255. A. Ashtekar, Viewpoint: Simplicity of Black Holes, Physics, 8, 24-27 (2015); arXiv: 1504:07693.

  256. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics witha Positive Cosmological Constant. II: Linear Fields in de Sitter Space-Time, Physical Review D92, 44011 (2015); arXiv: 1506:06152.

  257. A. Ashtekar and A. Barrau, Loop Quantum Cosmology: From Pre-Inflationary Dynamics to Observations (invited article for the special issue on "The Early Universe after Planck"), Classical and Quantum Gravity 32, 234001 (20pp) (2015); arXiv: 1504:07559.

  258. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics with a Positive Cosmological Constant. III. The Quadrupole Formula, Physical Review D92, 10432 (21pp) (2015); arXiv: 1510.05593

  259. A. Ashtekar and B. Gupt, Generalized Effective Description of Loop Quantum Cosmology, Physical Review D92, 084060 (15pp) (2015); arXiv:1509.08899.

  260. A. Ashtekar, Ashtekar Variables, Scholarpedia 10 (6) 32900 (2015).

  261. A. Ashtekar, Quantum General Relativity, Current Science, 109, 2243-1149 (2015).

  262. A. Ashtekar, B. Bonga and A. Kesavan, Gravitational Waves from Isolated Systems: Surprising Consequences of a Positive Cosmological Constant, Physical Review Letters 116, 051101 (5 pages) (2016), Editor's Suggestion arXiv: 1510:04990.

  263. A. Ashtekar, Symmetry Reduced Loop Quantum Gravity: A Bird's Eye View, International Journal of Modern Physics (invited article) 25, 1642010 (2016); arXiv: 1605.02648.

  264. A. Ashtekar and B. Gupt, Quantum Gravity in the Sky: Interplay between Fundamental Theory and Observations, Classical and Quantum gravity, 34, 014002 (44pp) (2017); arXiv: 1608.04228.

  265. A. Ashtekar and B. Gupt, Initial Conditions for Cosmological Perturbations, Classical and Quantum Gravity, 34, 035004 (23pp) (2017); arXiv: 1610.09424.

  266. I. Agullo, A. Ashtekar and B. Gupt, Phenomenology with Fluctuating Quantum Geometries in Loop Quantum Cosmology, Classical and Quantum Gravity, 34, 074003 (30pp) (2017); arXiv: 1611.09810.

  267. A. Ashtekar and J.P. Pullin, 'Overview' Chapter in Loop Quantum Gravity: First 30 Years, edited by A. Ashtekar and J.P. Pullin (World Scientific, Singapore, 2017); arXiv: 1703.07396.

  268. A. Ashtekar, Implications of a positive cosmological constant for general relativity, Reports on Progress in Physics, Key Issues Review commissioned by the Editors, 80, 102901 (2017) (8 pp), arXiv: 1706.07482.

  269. A. Ashtekar and B. Bonga, On a basic conceptual confusion in gravitational radiation theory, Classical and Quantum Gravity, 34, 20LT01 (2017) (7 pp) arXiv: 1707.07729.

  270. A. Ashtekar and B. Bonga, On the ambiguity in the notion of transverse traceless modes of gravitational waves, General Relativity & Gravitation, 49, 122 (2017) (43 pp) arXiv: 1707.09914.

  271. A. Ashtekar, M. Campiglia and A. Laddha, Null infinity, the BMS group and Infrared issues, General Relativity & Gravitation, 50, 140 (2018) (23 pp), arXiv 1808.07093.

  272. A. Ashtekar, J. Olmedo and P. Singh, Quantum transfiguration of Kruskal black holes, Physical Review Letters 121, 241301 (2018); Editors’ Suggestion and highlighted in a Viewpoint article in Physics. (5 pages), arXiv: 1806.00648.

  273. A. Ashtekar, J. Olmedo and P. Singh, Quantum extension of the Kruskal space-time, Physical Review D 98, 126003 (2018); Editors’ Suggestion and highlighted in a Viewpoint article in Physics; (29 pages), arXiv: 1806.02406.

  274. A. Ashtekar and S. Baharami, Asymptotics with a positive cosmological constant: IV. The `no-incoming radiation' condition, Physical Review D 100 024042 (2019) (37 pages), arXiv 1904.02822

  275. A. Ashtekar, T. De Lorenzo and N. Khera, Compact binary coalescences: Constraints on waveforms, General Relativity and Gravitation, 52, 107 (2020) (27pages) arXiv:1906:00913.

  276. A. Ashtekar, T. De Lorenzo and N. Khera, Compact binary coalescences:The subtle issue of angular momentum, Physical Review D 101, 044005 (2020) (18 pages), arXiv: 1910:02917.

  277. A. Ashtekar, Black hole evaporation: A perspective from loop quantum gravity, Universe, 6, 21 (2020) (22 pages); arXiv:2001.08833.

  278. Ashtekar, B. Gupt, D. Jeong and V. Sreenath, Alleviating the tension in the cosmic microwave background using Planck scale physics, Physical Review Letters, 125, 051302 (2020) (5 pages); arXiv: 2001.11689.

  279. A. Ashtekar, A. Corichi and A. Kesavan, Emergence of the classical behavior in the early universe, Physical Review D 102, 023512 (2020) (26 pages) (arXiv:2004.10684.

  280. A. Ashtekar and J.Olmedo, Properties of a recent quantum extension of the Kruskal geometry, International Journal of Modern Physics, 29, 2050076 (2020) (24 pages); arXiv:2005:02309.

  281. N. Khera, B. Krishnan, A. Ashtekar and T. De Lorenzo, Inferring gravitational wave memory in binary coalescence events, arXiv: 2009:06351

  282. A. Ashtekar and M. Varadarajan, Gravitational dynamics: A novel shift in the Hamiltonian paradigm, Universe, 7, 13 (2021) (35 pages); arXiv: 2012:12094.

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