DOCUMENTA MATHEMATICA, Vol. 22 (2017), 25-43

Matthias Nagel, Mark Powell

Concordance Invariance of Levine-Tristram Signatures of Links

We determine for which complex numbers on the unit circle the Levine-Tristram signature and the nullity give rise to link concordance invariants.

2010 Mathematics Subject Classification: primary: 57M25, secondary: 57M27, 57N70

Keywords and Phrases: link concordance, Levine-Tristram signatures, nullity

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