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Abhay Ashtekar “Ashtekar” redirects here. For Ashtekar Surname, see Swakula Sali. Abhay Vasant Ashtekar (born July 5, 1949) is an In- dian theoretical physicist. He is the Eberly Professor of Physics and the Director of the Institute for Gravita- tional Physics and Geometry at Pennsylvania State Uni- versity. As the creator of Ashtekar variables, he is one of the founders of loop quantum gravity and its subfield loop quantum cosmology. He has also written a number of descriptions of loop quantum gravity that are acces- sible to non-physicists. In 1999, Ashtekar and his col- leagues were able to calculate the entropy for a black hole, matching a legendary 1974 prediction by Hawking. [2] Oxford mathematical physicist Roger Penrose has de- scribed Ashtekar’s approach to quantum gravity as “The most important of all the attempts at 'quantizing' general relativity.” [3] 1 Biography Abhay Ashtekar grew up in several cities, including Mumbai, in the state of Maharashtra, India. After com- pleting his undergraduate education in India, Ashtekar enrolled in the graduate program for gravitation at the University of Texas at Austin. [1] He went on to complete his Ph.D. at the University of Chicago under the supervi- sion of Robert Geroch in 1978 and held several appoint- ments at Oxford, Paris, Syracuse before settling at Penn State. [4] He married Christine Clarke in 1986 [5] and the two have a son, Neil Ashtekar. 2 Religious Views Dr. Abhay Ashtekar is an atheist, though he enjoys read- ing on Indian and other eastern philosophy, namely the Tao and the Zen traditions. Furthermore, he claims to be inspired from the Bhagwat Gita as regards his attitude towards work. [6] 3 Books 1. A. Magnon and A. Ashtekar, Translation from French of Élie Cartan’s work, “Sur les Varietes a Connexion Affine et la Relativite Generale” with a Commentary and Foreword by A. Trautman, Bib- liopolis, Naples, 1986, 199 pages. 2. A. Ashtekar, Asymptotic Quantization. Bibliopolis, Naples, 1987, 107 pages. 3. A. Ashtekar, (with invited contributions) New Per- spectives 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 Canon- ical 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 Relativistic Physics, Festschrift in honor of John Stachel, Boston Studies in Philosophy of Science, Volume 234, (Kluwer Academic, 2003). 4 See also List of loop quantum gravity researchers Big Bounce Martin Bojowald 5 References [1] Glanz, James (April 20, 1999). “Science at work - page 2”. New York Times. Retrieved April 23, 2010. [2] Glanz, James (April 20, 1999). “Science at work - page 3”. New York Times. Retrieved April 23, 2010. [3] Glanz, James (April 20, 1999). “Science at work - page 1”. New York Times. Retrieved April 23, 2010. [4] “Abhay Ashtekar - CV”. [5] “The Rediff Profile:Dr. Abhay Ashtekar”. Rediff on the Net. [6] “The Rediff Profile:Dr. Abhay Ashtekar”. Rediff on the Net. 1

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  • Abhay Ashtekar

    Ashtekar redirects here. For Ashtekar Surname, seeSwakula Sali.

    Abhay Vasant Ashtekar (born July 5, 1949) is an In-dian theoretical physicist. He is the Eberly Professorof Physics and the Director of the Institute for Gravita-tional Physics and Geometry at Pennsylvania State Uni-versity. As the creator of Ashtekar variables, he is oneof the founders of loop quantum gravity and its subeldloop quantum cosmology. He has also written a numberof descriptions of loop quantum gravity that are acces-sible to non-physicists. In 1999, Ashtekar and his col-leagues were able to calculate the entropy for a black hole,matching a legendary 1974 prediction by Hawking.[2]Oxford mathematical physicist Roger Penrose has de-scribed Ashtekars approach to quantum gravity as Themost important of all the attempts at 'quantizing' generalrelativity.[3]

    1 BiographyAbhay Ashtekar grew up in several cities, includingMumbai, in the state of Maharashtra, India. After com-pleting his undergraduate education in India, Ashtekarenrolled in the graduate program for gravitation at theUniversity of Texas at Austin.[1] He went on to completehis Ph.D. at the University of Chicago under the supervi-sion of Robert Geroch in 1978 and held several appoint-ments at Oxford, Paris, Syracuse before settling at PennState.[4]

    He married Christine Clarke in 1986[5] and the two havea son, Neil Ashtekar.

    2 Religious ViewsDr. Abhay Ashtekar is an atheist, though he enjoys read-ing on Indian and other eastern philosophy, namely theTao and the Zen traditions. Furthermore, he claims tobe inspired from the Bhagwat Gita as regards his attitudetowards work. [6]

    3 Books1. A. Magnon and A. Ashtekar, Translation from

    French of lie Cartans work, Sur les Varietes a

    Connexion Ane et la Relativite Generale with aCommentary and Foreword by A. Trautman, Bib-liopolis, Naples, 1986, 199 pages.

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

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

    4. A. Ashtekar and J. Stachel, Editors; ConceptualProblems of Quantum Gravity. Proceedings of the1988 Osgood Hill Conference (Birkhauser, N. Y.,1991), 602 pages.

    5. A. Ashtekar, Lectures on Non-perturbative Canon-ical Gravity, (Notes prepared in collaboration withR.S. Tate), (World Scientic Singapore, 1991), 334pages.

    6. A. Ashtekar, R.C. Cohen, D. Howard, J. Renn, S.Sarkar and A. Shimony (Editors), Revisiting theFoundations of Relativistic Physics, Festschrift inhonor of John Stachel, Boston Studies in Philosophyof Science, Volume 234, (Kluwer Academic, 2003).

    4 See also List of loop quantum gravity researchers Big Bounce Martin Bojowald

    5 References[1] Glanz, James (April 20, 1999). Science at work - page

    2. New York Times. Retrieved April 23, 2010.

    [2] Glanz, James (April 20, 1999). Science at work - page3. New York Times. Retrieved April 23, 2010.

    [3] Glanz, James (April 20, 1999). Science at work - page1. New York Times. Retrieved April 23, 2010.

    [4] Abhay Ashtekar - CV.

    [5] The Redi Prole:Dr. Abhay Ashtekar. Redi on theNet.

    [6] The Redi Prole:Dr. Abhay Ashtekar. Redi on theNet.

    1

  • 2 6 EXTERNAL LINKS

    6 External links Abhay Ashtekar at the Mathematics GenealogyProject

    Abhay Ashtekars homepage Ashtekars publication on ArXiv

  • 37 Text and image sources, contributors, and licenses7.1 Text

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