Stabilization conjecture for colored knot Floer homology

Let LmL_m be the mm-fold cable link of a link LL, and let s\overline{\mathbf{s}} be a normalized Alexander degree. The maps

ϕ0:H ⁣F ⁣Lstab(Lm;s)H ⁣F ⁣Lstab(Lm+1;s)\phi_0:\mathcal{H\!F\! L}^{\mathrm{stab}}\left(L_m;\overline{\mathbf{s}}\right)\to \mathcal{H\!F\! L}^{\mathrm{stab}}\left(L_{m+1};\overline{\mathbf{s}}\right)

are the connecting maps in the directed system defining colored homology. Stabilization conjecture. For every normalized Alexander degree s\overline{\mathbf{s}}, these maps are isomorphisms for sufficiently large mm. Consequently,

dimHD,j(L;s)=dimH ⁣F ⁣Ljstab(Lm;s)\dim \mathcal{H}_{D,j}(L;\overline{\mathbf{s}})=\dim \mathcal{H\!F\! L}^{\mathrm{stab}}_j\left(L_m;\overline{\mathbf{s}}\right)

for m0m\gg 0. This would strengthen the proved upper bound by identifying the stable colored-homology dimension with the dimension of a sufficiently large stabilized cable group.

Sources & referencesView supporting material

Primary source

Akram Alishahi, Eugene Gorsky and Beibei Liu, “Colored knot Floer homology: structures and examples”, arXiv:2508.21776 (2025).

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