Combinatorial rigidity in curve complexes and mapping class groups

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In all possible cases, we prove that local embeddings between two curve complexes whose complexities do not increase from domain to codomain are induced by surface homeomorphism. This is our first main result. From this we can deduce our second, a strong local co-Hopfian result for mapping class groups.
15 pages, 3 figures. To appear in the Pacific Journal of Mathematics

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Geometric Topology, Group Theory, 57M50; 20F38

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http://salesiana.dossiersoluciones.com/handle/123456789/101116

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0503199
 http://arxiv.org/abs/math/0503199

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arXiv