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Covers and the curve complex

Kasra Rafi, Saul Schleimer

math.GTarXiv:math/0701719

Abstract

We provide the first non-trivial examples of quasi-isometric embeddings between curve complexes. These are induced either by puncturing a closed surface or via orbifold coverings. As a corollary, we give new quasi-isometric embeddings between mapping class groups.

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