We show that Rasmussen's invariant of knots, which is derived from Lee's variant of Khovanov homology, is equal to an analogous invariant derived from certain other filtered link homologies.
Dos Santos Santana Forte Vaz, P., Mackaay, M., & Turner, P. (2007). A remark on rasmussen’s invariant of knots. Journal of Knot Theory and Its Ramifications, 16(3), 333-344. https://doi.org/10.1142/S0218216507005312 (Original work published 2007)