The Ambient Metric (AM-178) (Annals of Mathematics Studies) by Charles Fefferman and C. Robin Graham
English | ISBN: 0691153140, 0691153132 | 2012 | PDF | 128 pages | 1 MB
This book develops and applies a theory of the ambient metric in conformal geometry. This is a Lorentz metric in n+2 dimensions that encodes a conformal class of metrics in n dimensions. The ambient metric has an alternate incarnation as the Poincar metric, a metric in n+1 dimensions having the conformal manifold as its conformal infinity. In this realization, the construction has played a central role in the AdS/CFT correspondence in physics.