A combinatorial proof of invariance of double-point enhanced grid homology

2018/10/07 by Timothy Ratigan, Joshua Wang, Ratigan, Timothy +3
Computer Science · Mathematics · #FOS: Mathematics #Geometric Topology (math.GT) #Geometric and Algebraic Topology #Homotopy and Cohomology in Algebraic Topology #Topological and Geometric Data Analysis #math.GT

paper · pdf · doi:10.48550/arxiv.1810.03202

23 pages

arxiv created 2018/10/07 · openalex publication_date 2018/10/07 · arxiv updated 2018/10/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We prove that the "minus" version of Lipshitz's double-point enhanced grid homology is a knot invariant through purely combinatorial means.

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