The BNS-invariant for the pure braid groups

2013/06/18 by Nic Koban, Jon McCammond, Koban, Nic +3 · 1 citation
Mathematics · #20F65 #FOS: Mathematics #Geometric Topology (math.GT) #math.GT #msc:20F65

paper · pdf · doi:10.48550/arxiv.1306.4046

15 pages

arxiv created 2013/06/18 · arxiv updated 2013/06/19

Abstract

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.

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