Kirby belts, categorified projectors, and the skein lasagna module of $S^2\times S^2$

Ian A. Sullivan, Melissa Zhang

We interpret Manolescu-Neithalath's cabled Khovanov homology formula for computing Morrison-Walker-Wedrich's ${\mathrm{KhR}}_2$ skein lasagna module as a homotopy colimit (mapping te…