Spherical subcomplexes of spherical buildings
Geometric Topology
2016-01-20 v4
Abstract
Let B be a thick spherical building equipped with its natural CAT(1) metric and let M be a proper, convex subset of B. If M is open or if M is a closed ball of radius pi/2, then the maximal subcomplex supported by the complement of M is spherical and non contractible.
Cite
@article{arxiv.1007.2407,
title = {Spherical subcomplexes of spherical buildings},
author = {Bernd Schulz},
journal= {arXiv preprint arXiv:1007.2407},
year = {2016}
}
Comments
33 pages, 7 figures