Mathematical Research Letters
Volume 28 (2021)
Knot Floer homology and strongly homotopy-ribbon concordances
Pages: 849 – 861
We prove that the map on knot Floer homology induced by a strongly homotopy-ribbon concordance is injective. One application is that the Seifert genus is monotonic under strongly homotopy-ribbon concordance.
Maggie Miller was supported by NSF grant DGE-1656466. Ian Zemke was supported by NSF grant DMS-1703685.
Received 13 June 2019
Accepted 22 August 2019
Published 2 June 2021