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math.GT2021
Algebraic concordance order of almost classical knots
Micah Chrisman, Sujoy Mukherjee
Torsion in the concordance group of knots in can be studied with the algebraic concordance group . Here is a field of cha…
math.GT2021★ 4 cited
The Gordon-Litherland pairing for links in thickened surfaces
Hans U. Boden, Micah Chrisman, Homayun Karimi
We extend the Gordon-Litherland pairing to links in thickened surfaces, and use it to define signature, determinant, and nullity invariants for links that bound (unoriented) spanni…