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

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arxiv 1810.03202 v1 pith:65LTLBG7 submitted 2018-10-07 math.GT

Timothy Ratigan , Joshua Wang , Luya Wang This is my paper

classification math.GT

keywords combinatorialdouble-pointenhancedgridhomologyinvarianceinvariantknot

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