#### Volume 9, issue 4 (2009)

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A combinatorial approach to surgery formulas in Heegaard Floer homology

### Eaman Eftekhary

Algebraic & Geometric Topology 9 (2009) 2225–2246
##### Abstract

Using the combinatorial approach to Heegaard Floer homology, we obtain a relatively easy formula for computation of the groups , where ${Y}_{p∕q}\left(K\right)$ is the three-manifold obtained by $p∕q$–surgery on a knot $K$ inside a homology sphere $Y$.

##### Keywords
Seifert fibered, Heegaard Floer homology
Primary: 57M27
Secondary: 57R58