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Ringel Duality for Extended ZigZag Schur Algebra
Published 11 Jul 2022 in math.RT | (2207.05040v1)
Abstract: Extended zigzag Schur algebras are quasi-hereditary algebras which are conjecturally Morita equivalent to RoCK blocks of classical Schur algebras. We prove that extended zigzag Schur algebras are Ringel self-dual.
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