Torsion-groups of abelian coverings of links
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- by John P. Mayberry and Kunio Murasugi PDF
- Trans. Amer. Math. Soc. 271 (1982), 143-173 Request permission
Abstract:
If $M$ is an abelian branched covering of ${S^3}$ along a link $L$, the order of ${H_1}(M)$ can be expressed in terms of (i) the Alexander polynomials of $L$ and of its sublinks, and (ii) a "redundancy" function characteristic of the monodromy-group. In 1954, the first author thus generalized a result of Fox (for $L$ a knot, in which case the monodromy-group is cyclic and the redundancy trivial); we now prove earlier conjectures and give a simple interpretation of the redundancy. Cyclic coverings of links are discussed as simple special cases. We also prove that the Poincaré conjecture is valid for the above-specified family of $3$-manifolds $M$. We state related results for unbranched coverings.References
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Additional Information
- © Copyright 1982 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 271 (1982), 143-173
- MSC: Primary 57M25; Secondary 57M12
- DOI: https://doi.org/10.1090/S0002-9947-1982-0648083-1
- MathSciNet review: 648083