The BNS-invariant for the pure braid groups
Nic Koban
University of Maine Farmington, USAJon McCammond
University of California Santa Barbara, USAJohn Meier
Lafayette College, Easton, USA
![The BNS-invariant for the pure braid groups cover](/_next/image?url=https%3A%2F%2Fcontent.ems.press%2Fassets%2Fpublic%2Fimages%2Fserial-issues%2Fcover-ggd-volume-9-issue-3.png&w=3840&q=90)
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.
Cite this article
Nic Koban, Jon McCammond, John Meier, The BNS-invariant for the pure braid groups. Groups Geom. Dyn. 9 (2015), no. 3, pp. 665–682
DOI 10.4171/GGD/323