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Sharp bounds on some classical knot invariants

Kearton, C.; Wilson, S.M.J.

Authors

C. Kearton

S.M.J. Wilson



Abstract

There are obvious inequalities relating the Nakanishi index of a knot, the bridge number, the degree 2n of the Alexander polynomial and the length of the chain of Alexander ideals. We give examples for every positive value of n to show that these bounds are sharp.

Citation

Kearton, C., & Wilson, S. (2003). Sharp bounds on some classical knot invariants. Journal of Knot Theory and Its Ramifications, 12(06), 805-817. https://doi.org/10.1142/s0218216503002792

Journal Article Type Article
Publication Date Sep 1, 2003
Deposit Date Feb 15, 2008
Journal Journal of Knot Theory and Its Ramifications
Print ISSN 0218-2165
Electronic ISSN 1793-6527
Publisher World Scientific Publishing
Peer Reviewed Peer Reviewed
Volume 12
Issue 06
Pages 805-817
DOI https://doi.org/10.1142/s0218216503002792
Keywords Nakanishi index, Knot module, Bridge number, Alexander polynomial, Alexander ideal, Nonmaximal order, Arithmetic order, Hermitian order, Hermitian form, Fitting ideal.
Public URL https://durham-repository.worktribe.com/output/1598772
Publisher URL http://www.worldscinet.com/jktr/12/preserved-docs/1206/S0218216503002792.pdf


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