Volume 20, issue 6 (2020)

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Correction to the article Floer homology and splicing knot complements

Eaman Eftekhary

Algebraic & Geometric Topology 20 (2020) 3205–3218
DOI: 10.2140/agt.2020.20.3205

Correction to Algebraic & Geometric Topology 15:6 (2015) 3155–3213


This note corrects the mistakes in the splicing formulas of the paper “Floer homology and splicing knot complements” (Algebr. Geom. Topol. 15 (2015) 3155–3213). The mistakes are the result of the incorrect assumption that for a knot K inside a homology sphere Y , the involution on HFK̂(K) which corresponds to moving the basepoints by one full twist around K is trivial. The correction implicitly involves considering the contribution from this (possibly nontrivial) involution in a number of places.

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Floer homology, splicing, essential torus
Mathematical Subject Classification 2010
Primary: 57M27
Secondary: 57R58
Received: 28 October 2017
Revised: 21 January 2020
Accepted: 5 February 2020
Published: 8 December 2020
Eaman Eftekhary
School of Mathematics
Institute for Research in Fundamental Sciences (IPM)