Combinatorial Heegaard Floer homology and nice Heegaard diagrams

Peter S. Ozsvath, Andras I. Stipsicz, Zoltan Szabo

We consider a stabilized version of hat Heegaard Floer homology of a 3-manifold Y (i.e. the U=0 variant of Heegaard Floer homology for closed 3-manifolds). We give a combinatorial…