Signature of links
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- by Louis H. Kauffman and Laurence R. Taylor
- Trans. Amer. Math. Soc. 216 (1976), 351-365
- DOI: https://doi.org/10.1090/S0002-9947-1976-0388373-0
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Abstract:
Let L be an oriented tame link in the three sphere ${S^3}$. We study the Murasugi signature, $\sigma (L)$, and the nullity, $\eta (L)$. It is shown that $\sigma (L)$ is a locally flat topological concordance invariant and that $\eta (L)$ is a topological concordance invariant (no local flatness assumption here). Known results about the signature are re-proved (in some cases generalized) using branched coverings.References
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Bibliographic Information
- © Copyright 1976 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 216 (1976), 351-365
- MSC: Primary 55A25
- DOI: https://doi.org/10.1090/S0002-9947-1976-0388373-0
- MathSciNet review: 0388373