Gorsky–Rasmussen conjecture for twisted projectors

Let nn be a positive integer, let wSnw\in S_n be a permutation, and let EE be the ring from Definition of the source. Let x1,,xnx_1,\ldots,x_n be formal indeterminates, and let w(P1n)w(P_{1^{n}}^\vee) denote the complex obtained by applying ww to the dual one-column projector. Define JwJ_w to be the ideal generated by the differences xw(i)xix_{w(i)}-x_i for 1in1\leq i\leq n. Gorsky–Rasmussen conjecture. For every permutation wSnw\in S_n, the degree-zero homology satisfies

HHH0(w(P1n))E/Jw.\operatorname{HHH}^0(w(P_{1^{n}}^\vee))\cong E/J_w.

The claim gives an explicit flag-Hilbert-scheme description of the degree-zero homology of twisted projectors. The supplied text does not state whether this conjecture has been resolved.

Sources & referencesView supporting material

Primary source

Michael Abel and Matthew Hogancamp, “Categorified Young symmetrizers and stable homology of torus links II”, arXiv:1510.05330 (2016).

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