Release Time:2019-03-10  Hits:

Indexed by: Journal Article

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: 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.