Main section headings: Ideas and Problems in Quantum Gravity; On Ellipticity and Quantum Gravity; Non-Local Boundary Data in Quantum Gravity; Non-Locality and E

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

After first reviewing the issue of vacuum energy (the cosmological constant problem) in the Einstein theory, the covariant path integral for gravity in four dim

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