Abstract
We characterize the blocks of finite group algebras with the property that the radical of their center is an ideal in the block. We also consider related properties of blocks of symmetric algebras and of group algebras.
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Külshammer, B. Centers and radicals of group algebras and blocks. Arch. Math. 114, 619–629 (2020). https://doi.org/10.1007/s00013-019-01428-0
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DOI: https://doi.org/10.1007/s00013-019-01428-0