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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.