Calogero-Moser space and Kostka polynomials
Michael Finkelberg, Victor Ginzburg
Abstract
We consider the canonical map from the Calogero-Moser space to symmetric powers of the affine line, sending conjugacy classes of pairs of n by n matrices to their eigenvalues. We show that the character of a natural C*-action on the scheme-theoretic zero fiber of this map is given by Kostka polynomials.
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