A combinatorial description of the $U^2=0$ version of Heegaard Floer homology

Details A combinatorial description of the $U^2=0$ version of Heegaard Floer homology A combinatorial description of the $U^2=0$ version of Heegaard Floer homology

2008-11-20

arxiv.org/abs/0811.3395v2

Mathematics

Geometric Topology

Fixed figures

Scientific paper

We show that every 3--manifold admits a Heegaard diagram in which a truncated
version of Heegaard Floer homology (when the holomorpic disks pass through the
basepoints at most once) can be computed combinatorially.

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