Ribbon-moves for 2-knots with 1-handles attached and Khovanov-Jacobsson numbers
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- by J. Scott Carter, Masahico Saito and Shin Satoh PDF
- Proc. Amer. Math. Soc. 134 (2006), 2779-2783 Request permission
Abstract:
We prove that a crossing change along a double point circle on a $2$-knot is realized by ribbon-moves for a knotted torus obtained from the $2$-knot by attaching a $1$-handle. It follows that any $2$-knots for which the crossing change is an unknotting operation, such as ribbon $2$-knots and twist-spun knots, have trivial Khovanov-Jacobsson number.References
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Additional Information
- J. Scott Carter
- Affiliation: Department of Mathematics, University of South Alabama, Mobile, Alabama 36688
- MR Author ID: 682724
- Email: carter@jaguar1.usouthal.edu
- Masahico Saito
- Affiliation: Department of Mathematics, University of South Florida, Tampa, Florida 33620
- MR Author ID: 196333
- Email: saito@math.usf.edu
- Shin Satoh
- Affiliation: Graduate School of Science and Technology, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba, 263-8522, Japan
- Email: satoh@math.s.chiba-u.ac.jp
- Received by editor(s): October 19, 2004
- Received by editor(s) in revised form: April 14, 2005
- Published electronically: April 10, 2006
- Additional Notes: The first author was supported in part by NSF Grant DMS $\#0301095$.
The second author was supported in part by NSF Grant DMS $\#0301089$.
The third author was supported in part by JSPS Postdoctoral Fellowships for Research Abroad. - Communicated by: Ronald A. Fintushel
- © Copyright 2006 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 134 (2006), 2779-2783
- MSC (2000): Primary 57Q45; Secondary 57Q35
- DOI: https://doi.org/10.1090/S0002-9939-06-08288-8
- MathSciNet review: 2213759