Arc spaces and DAHA representations

Details Arc spaces and DAHA representations Arc spaces and DAHA representations

2011-10-07

arxiv.org/abs/1110.1674v2

Mathematics

Algebraic Geometry

16 pages

Scientific paper

A theorem of Y. Berest, P. Etingof and V. Ginzburg states that finite dimensional irreducible representations of a type A rational Cherednik algebra are classified by one rational number m/n. Every such representation is a representation of the symmetric group S_n. We compare certain multiplicity spaces in its decomposition into irreducible representations of S_n with the spaces of differential forms on a zero-dimensional moduli space associated with the plane curve singularity x^m=y^n.

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