On the Infinity Flavor of Heegaard Floer Homology and the Integral Cohomology Ring

Tye Lidman

Ozsvath and Szabo construct a spectral sequence with E_2 term Λ^*(H^1(Y;Z))\otimes Z[U,U^{-1}] converging to HF^\infty(Y,s) for a torsion Spin^c structure s. They conjecture that t…