The BNS-invariant for the pure braid groups

被引：17
|
作者：
Koban, Nic [1 ]
McCammond, Jon [2 ]
Meier, John [3 ]
机构：
[1] Univ Maine, Dept Math, Farmington, ME 04938 USA
[2] Univ Calif Santa Barbara, Dept Math, Santa Barbara, CA 93106 USA
[3] Lafayette Coll, Dept Math, Easton, PA 18042 USA
来源：
GROUPS GEOMETRY AND DYNAMICS | 2015年 / 9卷 / 03期
关键词：
BNS invariant; sigma invariants; pure braid groups; GEOMETRIC INVARIANTS; VALUATIONS;
D O I：
10.4171/GGD/323
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In 1987 Bieri, Neumann and Strebel introduced a geometric invariant for discrete groups. In this article we compute and explicitly describe the BNS-invariant for the pure braid groups.
引用
收藏
页码：665 / 682
页数：18
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