The colored cable colimit conjecture

Let K\mathbf{K} be a framed, oriented knot, and let χK\chi\mathbf{K} denote the knot with framing increased by one. For b0b\geq0, consider the directed system whose terms alternate between the trivial and sign isotypic components of the deformed homology complexes of successive bb-cables, with maps induced by the bottom eigenmap for the bb-strand full twist. Colored cable colimit conjecture. The homotopy colimit of this system is quasi-isomorphic to the bb-colored curved Rickard complex \EuScriptYCKR(K,b)\EuScript Y C_{\mathrm{KR}}(\mathbf{K},b), as complexes of modules over

Q[x1,,xb]SbQ[v1,,vb].\mathbb{Q}[x_1,\ldots,x_b]^{\mathfrak{S}_b}\otimes\mathbb{Q}[v_1,\ldots,v_b].

The conjecture extends the undeformed cable relation to deformed colored triply-graded homology; it is supported by the paper's results for colored Hopf links but remains unproved in general.

Sources & referencesView supporting material

Primary source

Matthew Hogancamp, David E. V. Rose and Paul Wedrich, “Link splitting deformation of colored Khovanov–Rozansky homology”, arXiv:2107.09590 (2021).

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