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Abstract
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We define a new topological invariant of an embedded torus in a homology
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analogous to the Levine–Tristram invariant of a knot. We compare it to an invariant
of smooth tori, defined recently by Echeverria using gauge theory for singular
connections.
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Keywords
4-manifold, knotted torus, Levine–Tristram invariant
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Mathematical Subject Classification
Primary: 57K41, 57K45
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Publication
Received: 12 October 2020
Revised: 13 March 2021
Accepted: 3 May 2021
Published: 25 October 2022
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