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Diffeomorphisms, Anomalies and the Fefferman-Graham Ambiguity

A. Schwimmer, S. Theisen

hep-tharXiv:hep-th/0008082

Abstract

Using the Weyl transfomations induced by diffeomorphisms we set up a cohomological problem for the Fefferman-Graham coefficients. The cohomologically nontrivial solutions remove the ambiguity and give the nonlocal terms in the effective action responsible for the trace anomalies.

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