On the decomposition of global conformal invariants, I

Abstract

This is the first of two papers where we address and partially confirm a conjecture of Deser and Schwimmer, originally postulated in high energy physics. The objects of study are scalar Riemannian quantities constructed out of the curvature and its covariant derivatives, whose integrals over compact manifolds are invariant under conformal changes of the underlying metric. Our main conclusion is that each such quantity that locally depends only on the curvature tensor (without covariant derivatives) can be written as a linear combination of the Chern-Gauss-Bonnet integrand and a scalar conformal invariant.

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      YEAR = {1999},
      NUMBER = {6},
      PAGES = {1635--1655 (2000)},
      ISSN = {1095-0761},
      MRCLASS = {53C25 (53C20 53C80 81T30 83E30)},
      MRNUMBER = {2002b:53071},
      MRREVIEWER = {Mingliang Cai},
      ZBLNUMBER = {0978.53085},
      }

Authors

Spyros Alexakis

Department of Mathematics
Massachusetts Institute of Technology
77 Massachusetts Avenue
Cambridge, MA 02139-4307
United States