Notes on the knot concordance invariant upsilon
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Publication:507048
DOI10.2140/AGT.2017.17.111zbMATH Open1357.57018arXiv1412.0254OpenAlexW2292207589MaRDI QIDQ507048
Author name not available (Why is that?)
Publication date: 3 February 2017
Published in: (Search for Journal in Brave)
Abstract: The knot concordance invariant Upsilon, recently defined by Ozsvath, Stipsicz, and Szabo, takes values in the group of piecewise linear functions on the closed interval [0,2]. This paper presents a description of one approach to defining Upsilon and of proving its basic properties related to the knot 3-genus, 4-genus, and concordance genus.
Full work available at URL: https://arxiv.org/abs/1412.0254
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