Abstract
Ozsváth, Stipsicz and Szabó have defined a knot concordance invariant taking values in the group of piecewise linear functions on the closed interval . This paper presents a description of one approach to defining and proving its basic properties.
Citation
Charles Livingston. "Notes on the knot concordance invariant Upsilon." Algebr. Geom. Topol. 17 (1) 111 - 130, 2017. https://doi.org/10.2140/agt.2017.17.111
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