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The Number of Reidemeister Moves Needed for Unknotting

✍ Scribed by Joel Hass and Jeffrey C. Lagarias


Book ID
125047495
Publisher
American Mathematical Society
Year
2001
Tongue
English
Weight
743 KB
Volume
14
Category
Article
ISSN
0894-0347

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The Jones polynomial of an unknotting nu
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Let K be an unknotting number one knot. By calculating Casson's invariant for the 2-fold branched covering of S3 branched over K, we give some relations among the Jones polynomial, the signature, and the Conway polynomial of K, and prove that some knots are of unknotting number two.