Annulus and Disk Complex Is Contractible and Quasi-convex

Annulus and Disk Complex Is Contractible and Quasi-convex

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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Veröffentlicht in:数学研究通讯 2013, Vol.29 (4), p.377-382
1. Verfasser: Guo QI-LONG Qiu RUI-FENG Zou YAN-QING ZHANG FA-ZE
Format: Artikel
Sprache:eng
Schlagworte:
拟凸
曲线
环和
磁盘
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Beschreibung
Zusammenfassung:The annulus and disk complex is defined and researched. Especially, we prove that this complex is contractible and quasi-convex in the curve complex.
ISSN:1674-5647