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Representations of the elliptic affine H...
Zhao, Gufang...
Representations of the elliptic affine Hecke algebras by Zhao, Gufang ( Author )
Australian National University
04-08-2023
We prove that irreducible representations of the elliptic affine Hecke algebras of Ginzburg, Kapranov, and Vasserot are in one-to-one correspondence with certain nilpotent Higgs bundles on the elliptic curve. The main tool we use is the equivariant elliptic cohomology of the Steinberg variety of the Springer resolution. As a by-product, we study representations at roots of unity in type-$A$. As another by-product, we define a version of elliptic Demazure-Lusztig operators with dynamical parameters that satisfy the braid relations. We discuss speculative indications of this correspondence in 4d $\mathcal N=2$ gauge theory.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1507.01245
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