The relation between local and global dual pairs

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In this note we clarify the relationship between the local and global definitions of dual pairs in Poisson geometry. It turns out that these are not equivalent. For the passage from local to global one needs a connected fiber hypothesis (this is well known), while the converse requires a dimension condition (which appears not to be known). We also provide examples illustrating the necessity of the extra conditions.
9 pages. To appear in Mathematical Research Letters

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Symplectic Geometry, 53Dxx; 53D17; 70Hxx

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http://salesiana.dossiersoluciones.com/handle/123456789/68796

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0310133
 http://arxiv.org/abs/math/0310133
 Math. Res. Lett. 11 (2004), no. 2-3, 355--363

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