Equivalence between module categories over quiver Hecke algebras and Hernandez-Leclerc's categories in general types
arXiv:2101.03573 · doi:10.1016/j.aim.2021.107916
Abstract
We prove in full generality that the generalized quantum affine Schur-Weyl duality functor, introduced by Kang-Kashiwara-Kim, gives an equivalence between the category of finite-dimensional modules over a quiver Hecke algebra and a certain full subcategory of finite-dimensional modules over a quantum affine algebra which is a generalization of the Hernandez-Leclerc's category . This was previously proved in untwisted types by Fujita using the geometry of quiver varieties, which is not applicable in general. Our proof is purely algebraic, and so can be extended uniformly to general types.
arXiv comment40 pages, 1 figure, changed the title in version 3; changed the proof Proposition 5.2.5 completely, corrected unclear expressions and typos in version 2
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