This is definitely her field. Pretty much every individual topic in the paper was present at the conference mentioned in the acknowledgments, either during a t

This is definitely her field. Pretty much every individual topic in the paper was present at the conference mentioned in the acknowledgments, either during a talk or at the coffee breaks (not all put together, of course). I don't think she focuses on Khovanov homology and the Rasmussen s-invariant per se, but its one of the main obstructions to a knot being slice. I think it's more than just fresh eyes: she could see farther than others because of how good she is at these geometric calculations for knot traces!