Product Formulae for Ozsvath-Szabo 4-manifold Invariants

Stanislav Jabuka; Thomas E. Mark

doi:10.2140/gt.2008.12.1557

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arXiv · 0706.0339

Product Formulae for Ozsvath-Szabo 4-manifold Invariants

Stanislav Jabuka·Thomas E. Mark

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Abstract

We give formulae for the Ozsvath-Szabo invariants of 4-manifolds X obtained by fiber sum of two manifolds M_1, M_2 along surfaces S_1, S_2 having trivial normal bundle and genus g>0. The formulae follow from a general theorem on the Ozsvath-Szabo invariants of the result of gluing two 4-manifolds along a common boundary, which is phrased in terms of relative invariants of the pieces. These relative invariants take values in a version of Heegaard Floer homology with coefficients in modules over certain Novikov rings; the fiber sum formula follows from the theorem that this "perturbed" version of Heegaard Floer theory recovers the usual Ozsvath-Szabo invariants, when the 4-manifold in question has b^+>1. The construction allows an extension of the definition of the Ozsvath-Szabo invariants to 4-manifolds having b^+ = 1 depending on certain choices, in close analogy with Seiberg-Witten theory. The product formulae lead quickly to calculations of the Ozsvath-Szabo invariants of various 4-manifolds; in all cases the results are in accord with the conjectured equivalence between the Ozsvath-Szabo and Seiberg-Witten invariants.

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BibTeX RIS

Stanislav Jabuka, Thomas E. Mark. 2007-06-03. Product Formulae for Ozsvath-Szabo 4-manifold Invariants. https://doi.org/10.2140/gt.2008.12.1557

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