The Euclidean approach to Quantum Gravity was initiated almost 15 years ago in an attempt to understand the difficulties raised by the spacetime singularities o

The theory of General Relativity, after its invention by Albert Einstein, remained for many years a monument of mathemati cal speculation, striking in its ambit

This book reflects our own struggle to understand the semiclassical behaviour of quantized fields in the presence of boundaries. Along many years, motivated by

The first comprehensive survey of (2+1)-dimensional quantum gravity - for graduate students and researchers.

Containing contributions from leading researchers in this field, this book provides a complete overview of this field from the frontiers of theoretical physics