The Brundan-Kleshchev subalgebra and BK-type isomorphsims

Abstract

We use a unified method to give an isomorphism between direct sums of cyclotomic affine (and degenerate affine) Hecke algebras and cyclotomic BK-subalgebras which are some KLR-type algebras.

arXiv commentarXiv admin note: text overlap with arXiv:2102.06473

References in corpus (2)

• Blocks of cyclotomic Hecke algebras and Khovanov-Lauda algebras
• The Brundan-Kleshchev isomorphism revisited