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Concordance of Bing Doubles and Boundary Genus

Published online by Cambridge University Press:  18 July 2011

CHARLES LIVINGSTON
Affiliation:
Department of Mathematics, Indiana University, Bloomington, IN, 47405, U.S.A. e-mail: [email protected]
CORNELIA A. VAN COTT
Affiliation:
Department of Mathematics, University of San Francisco, San Francisco, CA, 94117, U.S.A. e-mail: [email protected]

Abstract

Cha and Kim proved that if a knot K is not algebraically slice, then no iterated Bing double of K is concordant to the unlink. We prove that if K has nontrivial signature σ, then the n–iterated Bing double of K is not concordant to any boundary link with boundary surfaces of genus less than 2n−1σ. The same result holds with σ replaced by 2τ, twice the Ozsváth–Szabó knot concordance invariant.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 2011

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