Perverse-filtration and Cherednik-filtration conjecture for compactified Jacobians

For coprime positive integers k,nk,n, let Lk/nL_{k/n} be the finite-dimensional simple representation of the rational Cherednik algebra with parameter k/nk/n, let eLk/neL_{k/n} be its spherical part, and let Λi,j\Lambda^{i,j} denote the filtration of Proposition CEE. Let the cohomology of the compactified Jacobian of the singularity Xn=YkX^n=Y^k carry its perverse filtration. Perverse-filtration conjecture. The perverse filtration and the filtration Λ\Lambda of Proposition CEE agree.

This identification would connect the geometric perverse filtration with the representation-theoretic filtration used to compute torus-knot homology. The source gives no resolution status.

Sources & referencesView supporting material

Primary source

Alexei Oblomkov, Jacob Rasmussen and Vivek Shende, “The Hilbert scheme of a plane curve singularity and the HOMFLY homology of its link”, arXiv:1201.2115 (2012).

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