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Concordance of boundary links

Jerome Levine
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Abstract

We show that the twisted signature invariants of boundary link concordance derived from unitary representations of the free group are actually ordinary link concordance invariants. We also show how the discontinuity locus of this signature function is determined by Seifert matrices of the link.

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Jerome Levine. 2003-06-22. Concordance of boundary links. https://arxiv.org/abs/math/0306315

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