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ON 2-ADJACENCY RELATION OF TWO-BRIDGE KNOTS AND LINKS

Published online by Cambridge University Press:  01 February 2008

ICHIRO TORISU*
Affiliation:
Naruto University of Education, 748, Nakajima, Takashima, Naruto-cho, Naruto-shi, 772-8502, Japan (email: [email protected])
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Abstract

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We give a necessary condition for a two-bridge knot or link S(p,q) to be 2-adjacent to another two-bridge knot or link S(r,s). In particular, we show that if the trivial knot or link is 2-adjacent to S(p,q), then S(p,q) is trivial, that if S(p,q) is 2-adjacent to its mirror image, then S(p,q) is amphicheiral, and that for a prime integer p, if S(p,q) is 2-adjacent to S(r,s), then S(p,q)=S(r,s) or S(r,s)=S(1,0).

MSC classification

Type
Research Article
Copyright
Copyright © 2008 Australian Mathematical Society

References

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