机构:
Univ Illinois, Dept Math, Champaign, IL 61820 USAUniv Illinois, Dept Math, Champaign, IL 61820 USA
Farley, D
[1
]
机构:
[1] Univ Illinois, Dept Math, Champaign, IL 61820 USA
来源:
Topological and Asymptotic Aspects of Group Theory
|
2006年
/
394卷
关键词:
tree braid groups;
homology groups;
configuration spaces;
discrete Morse theory;
D O I:
暂无
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
The braid group on n-strands of a tree T, denoted BnT, has free abelian integral homology groups in every dimension. The rank of H-i (BnT) is equal to the number of i-cells in (UCT)-T-n, the unlabelled configuration space of n points on T, which are critical with respect to a certain discrete Morse function.
机构:
Shijiazhuang Railway Inst, Inst Math & Phys, Shijiazhuang 050043, Peoples R ChinaShijiazhuang Railway Inst, Inst Math & Phys, Shijiazhuang 050043, Peoples R China
Li, Jingyan
Wu, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Natl Univ Singapore, Dept Math, Singapore 117542, SingaporeShijiazhuang Railway Inst, Inst Math & Phys, Shijiazhuang 050043, Peoples R China