Misc,

Perverse sheaves on symmetric products of the plane

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(2022)cite arxiv:2208.14351Comment: 45 pages.

Abstract

For any field $k$, we give an algebraic description of the category $Perv_S(S^n (C^2),k)$ of perverse sheaves on the $n$-fold symmetric product of the plane $S^n(C^2)$ constructible with respect to its natural stratification and with coefficients in $k$. As part of our description we obtain an analogue of modular Springer theory for the Hilbert scheme $Hilb^n(C^2)$ of $n$ points in the plane with its Hilbert-Chow morphism.

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