On grid homology for lens space links: combinatorial invariance and integral coefficients
Abstract
Following the approach to grid homology of links in S3, we prove combinatorially that the grid homology of links in lens spaces defined by Baker, Grigsby, and Hedden is a link invariant. Further, using the sign assignment defined by Celoria, we prove that the generalization of grid homology to integral coefficients is a link invariant.
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