Mathematical Research Letters
Volume 21 (2014)
Sutured Khovanov homology distinguishes braids from other tangles
Pages: 1263 – 1275
We show that the sutured Khovanov homology of a balanced tangle in the product sutured manifold $D \times I \;$ has rank $1$ if and only if the tangle is isotopic to a braid.
Published 2 April 2015