Annulus and Disk Complex Is Contractible and Quasi-Convex

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Abstract

The annulus and disk complex is defined and researched. Especially, we prove that this complex is contractible and quasi-convex in the curve complex.

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annulus and disk complex contractible quasi-convex.
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Annulus and Disk Complex Is Contractible and Quasi-Convex. (2021). Communications in Mathematical Research, 29(4), 377-382. https://global-sci.com/cmr/article/view/8790