Annulus and Disk Complex Is Contractible and Quasi-convex  

作　　者：Guo Qi-long Qiu Rui-feng Zou Yan-qing Zhang Fa-ze Lei Feng-chun 

机构地区：[1]School of Mathematics Sciences, Dalian University of Technology [2]Department of Mathematics, East China Normal University

出　　处：《Communications in Mathematical Research》2013年第4期377-382,共6页数学研究通讯（英文版）

基　　金：The NSF(10901029)of China

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

关 键 词：annulus and disk complex contractible quasi-convex 

分 类 号：O186.12[理学—数学]