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math.RT2022
Fundamental monopole operators and embeddings of Kac-Moody affine Grassmannian slices
Dinakar Muthiah, Alex Weekes
Braverman, Finkelberg, and Nakajima define Kac-Moody affine Grassmannian slices as Coulomb branches of quiver gauge theories and prove that their Coulomb branc…
math.RT2022★ 1 cited
Lie algebra actions on module categories for truncated shifted Yangians
Joel Kamnitzer, Ben Webster, Alex Weekes +1
We develop a theory of parabolic induction and restriction functors relating modules over Coulomb branch algebras, in the sense of Braverman-Finkelberg-Nakajima. Our functors gener…