Example of a non-log-concave Duistermaat-Heckman measure

1996/06/20 by Karshon, Yael
#Differential Geometry (math.DG) #FOS: Mathematics

paper · doi:10.48550/arxiv.dg-ga/9606007

Abstract

We construct a compact symplectic manifold with a Hamiltonian circle action for which the Duistermaat-Heckman function is not log-concave.

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