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
来源:Communications in Mathematical Research, 2013, (04): 377-382.
DOI:10.13447/j.1674-5647.2013.04.011

摘要

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