A Rasmussen invariant for links in ${\mathbb{RP}}^3$

Ciprian Manolescu, Michael Willis

Asaeda-Przytycki-Sikora, Manturov, and GabrovÅ¡ek extended Khovanov homology to links in ${\mathbb{RP}}^3$. We construct a Lee-type deformation of their theory, and use it to define…