A note on general linear link homology
arXiv:2504.20745
Abstract
This expository note outlines why it is sometimes useful to consider the bigraded type A link homology theories as associated with the Lie algebras gl(N) instead of sl(N).
expository note contributed to the proceedings of the conference `Knots, Quivers and Beyond' (Feb 18th to 21st, 2025), comments welcome