Geodesic
Combinatorial proofs of properties of double-point enhanced grid homology
Canadian journal of mathematics, Tome 77 (2025) no. 1, pp. 21-56

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DOI

We provide a purely combinatorial proof of a skein exact sequence obeyed by double-point enhanced grid homology. We also extend the theory to coefficients over $\mathbb {Z},$ and discuss alternatives to the Ozsváth–Szabó $\tau $ invariant.
DOI : 10.4153/S0008414X23000809
Mots-clés : Knot theory, grid homology, skein exact sequence 
Thakar, Ollie. Combinatorial proofs of properties of double-point enhanced grid homology. Canadian journal of mathematics, Tome 77 (2025) no. 1, pp. 21-56. doi: 10.4153/S0008414X23000809
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