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Steenrod Operators, the Coulomb Branch and the Frobenius Twist, I (1712.03711v2)
Published 11 Dec 2017 in math.RT
Abstract: In Part I, we use Steenrod's construction to prove that the quantum Coulomb branch is a Frobenius-constant quantization. We will also demonstrate the corresponding result for the $K$-theoretic version of the quantum Coulomb branch. In Part II, we use the same method to construct a functor of categorical $p$-center between the derived Satake categories with and without loop-rotation, which extends the Frobenius twist functor for representations of the dual group.
