Linearization of proper groupoids

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We prove the following result, conjectured by Alan Weinstein: every smooth proper Lie groupoid near a fixed point is locally linearizable, i.e. it is locally isomorphic to the associated groupoid of a linear action of a compact Lie group. In combination with a slice theorem of Weinstein, our result implies the smooth linearizability of a proper Lie groupoid in the neighborhood of an orbit under a mild condition.
2nd version: some misprints corrected and some comments added

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Differential Geometry, Symplectic Geometry, 58H05, 57S15

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http://salesiana.dossiersoluciones.com/handle/123456789/66355

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0301297
 http://arxiv.org/abs/math/0301297

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arXiv