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

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We construct a compact symplectic manifold with a Hamiltonian circle action for which the Duistermaat-Heckman function is not log-concave.
LaTeX2e, 3 pages

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Differential Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/152141

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/dg-ga/9606007
 http://arxiv.org/abs/dg-ga/9606007

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arXiv