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Differences of Alexander polynomials for knots caused by a single crossing change
Authors:Yasutaka Nakanishi  Yuki Okada
Affiliation:Department of Mathematics, Graduate School of Science, Kobe University, Rokko, Nada-ku, Kobe 657-8501, Japan
Abstract:Kondo and Sakai independently gave a characterization of Alexander polynomials for knots which are transformed into the trivial knot by a single crossing change. The first author gave a characterization of Alexander polynomials for knots which are transformed into the trefoil knot (and into the figure-eight knot) by a single crossing change. In this note, we will give a characterization of Alexander polynomials for knots which are transformed into the 10132 knot (and into the (5,2)-torus knot) by a single crossing change. Moreover, this method can be applied for knots with monic Alexander polynomials.
Keywords:57M25
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