Evaluation fibrations and topology of symplectomorphisms

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There are two main results. The first states that isotropy subgroups of groups acting transitively on a rationally hyperbolic spaces have infinitely generated rational cohomology algebra. Using this fact, we prove that the analogous statement holds for groups of symplectomorphisms of certain blow-ups.
10 pages, no figures

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Algebraic Topology, Symplectic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/67541

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0305325
 http://arxiv.org/abs/math/0305325

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arXiv