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A note on the topological sliceness of some 2-bridge knots

Authors :
Miller, Allison N.
Publication Year :
2015

Abstract

We use twisted Alexander polynomials to show that certain algebraically slice 2-bridge knots are not topologically slice, even though all prime power Casson-Gordon signatures vanish. We also provide some computations indicating the efficacy of Casson-Gordon signatures in obstructing the smooth sliceness of 2-bridge knots.<br />Comment: 7 pages

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1507.01616
Document Type :
Working Paper