Four-ball genus bounds and a refinement of the Ozsváth-Szabó tau invariant
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Publication:308015
DOI10.4310/JSG.2016.V14.N1.A12zbMATH Open1348.57023arXiv1401.1565OpenAlexW2963547454MaRDI QIDQ308015
Author name not available (Why is that?)
Publication date: 5 September 2016
Published in: (Search for Journal in Brave)
Abstract: Based on work of Rasmussen, we construct a concordance invariant associated to the knot Floer complex, and exhibit examples in which this invariant gives arbitrarily better bounds on the 4-ball genus than the Ozsvath-Szabo tau invariant.
Full work available at URL: https://arxiv.org/abs/1401.1565
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