Combinatorial triangulations of homology spheres
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- 作者：Bhaskar Bagchi and Basudeb Datta
- 关键词：Combinatorial spheres ; pl manifolds ; Collapsible simplicial complexes ; Homology spheres
- 刊名：Discrete Mathematics
- 出版年：2005
- 出版时间：6 December 2005
- 年：2005
- 卷：305
- 期：1-3
- 页码：1-17
- 全文大小：245 K
文摘
Let M be an n-vertex combinatorial triangulation of a -homology d-sphere. In this paper we prove that if nd+8 then M must be a combinatorial sphere. Further, if n