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Unknotting number of the connected sum of n identical knots

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Indexed by:期刊论文

Date of Publication:2008-03-01

Journal:JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS

Included Journals:SCIE

Volume:17

Issue:3

Page Number:253-255

ISSN No.:0218-2165

Key Words:unknotting number; knot; Alexander polynomial; module

Abstract:In this paper, we show that unknotting number of the connected sum of n identical knots k is at least n when k has nontrivial Alexander polynomial.

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