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math.GT2021
Concordance invariants of null-homologous knots in thickened surfaces
Hans U. Boden, Homayun Karimi
Using the Gordon-Litherland pairing, one can define invariants (signature, nullity, determinant) for null-homologous links in thickened surfaces. In this paper, we…
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…