An integral lift, starting in odd Khovanov homology, of Szabó's spectral sequence
arXiv:1205.2256
Abstract
Ozsváth, Rasmussen and Szabó constructed odd Khovanov homology. It is a link invariant which has the same reduction modulo 2 as (even) Khovanov homology. Szabó introduced a spectral sequence with mod 2 coefficients from mod 2 Khovanov homology to another link homology. He got his spectral sequence from a chain complex with a filtration. We give an integral lift of Szabó's complex that provides a spectral sequence from odd Khovanov homology to a link homology, from which one can get Szabó's link homology with the Universal Coefficient Theorem. Szabó has constructed such a lift independently (unpublished).
33 pages, 15 figures