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Quantum gravity and cosmology : proceedings of the XXII GIFT international seminar on theoretical physics, Sant Feliu de Guíxols, Catalonia, Spain, 3-8 June 1991

Juan Pérez‐Mercader, Joan Solà, Enric Verdaguer

Abstract

This year's GIFT seminar reviewed some recent developments and new perspectives on quantum gravity and quantum cosmology. The topics treated at a graduate level include an introduction to quantum gravity, path integral measure, and non-perturbative canonical formulation (Ashtekar's variable, loop space quantization). Topics on quantum cosmology include the cosmological constant problem, minisuperspace models, wormholes and baby universes, and inflationary cosmology.

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Key concepts: Minisuperspace, Quantum cosmology, Loop quantum cosmology, Physics, Wormhole, Cosmology, Quantum gravity, Loop quantum gravity