Browsing by Author "Koenig, Steffen"

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    Dominant and global dimension of blocks of quantised Schur algebras
    (2021) Fang, Ming; Hu, Wei; Koenig, Steffen
    Group algebras of symmetric groups and their Hecke algebras are in Schur-Weyl duality with classical and quantised Schur algebras, respectively. Two homological dimensions, the dominant dimension and the global dimension, of the indecomposable summands (blocks) of these Schur algebras S(n, r) and Sq(n,r) with n⩾r are determined explicitly, using a result on derived invariance in Fang, Hu and Koenig (J Reine Angew Math 770:59-85, 2021).