On the Negative Band Number
Abstract
Abstract We study the negative band number of braids, knots and links using Birman, Ko and Lee’s left-canonical form of a braid. As applications, we characterize up to conjugacy strongly quasipositive braids and almost strongly quasipositive braids.
Fields of Study & Subjects
semigroups and automata theory
Publication details
- Journal / source
- The Quarterly Journal of Mathematics
- Volume
- 77
- Issue
- 3
- Pages
- 553–573
- Publication date
- 22 May 2026
- Language
- EN