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

Geometric Topology 2018-10-09 v1

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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Cite

@article{arxiv.1810.03202,
  title  = {A combinatorial proof of invariance of double-point enhanced grid homology},
  author = {Timothy Ratigan and Joshua Wang and Luya Wang},
  journal= {arXiv preprint arXiv:1810.03202},
  year   = {2018}
}

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23 pages