Algebraically concordant Seifert forms and knot concordance
Commun. Korean Math. Soc. 2020 Vol. 35, No. 3, 1037-1043
Published online July 5, 2020
Taehee Kim
Konkuk University
Abstract : We show that if $M$ and $V$ are Seifert forms such that $M$ is metabolic and has nontrivial Alexander polynomial, then there exists a knot $K$ having Seifert form $M\oplus V$ that is not concordant to any knot with Seifert form $V$.
Keywords : Concordance, Seifert forms, von-Neumann $\rhot$-invariants
MSC numbers : Primary 57N70, 57M25
Supported by : This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education (no. 2018R1D1A1 B07048361)
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