The equivalence between two real Seiberg-Witten homologies

Yonghan Xiao

Published: 2025/10/4

Abstract

We show that for a real rational homology sphere $Y$ equipped with a real $\mathrm{spin^c}$ structure $\s$, the real monopole Floer homology defined by Li and the real Seiberg-Witten Floer homology defined by Konno, Miyazawa and Taniguchi are isomorphic. As corollaries, we identify some Fr\o yshov-type invariants and prove two Smith-type inequalities.

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