Geodesic
Summands of finite group algebras
Czechoslovak Mathematical Journal, Tome 71 (2021) no. 4, pp. 1011-1014.

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We study the inverse problem of the determination of a group algebra from the knowledge of its Wedderburn decomposition. We show that a certain class of matrix rings always occur as summands of finite group algebras.
DOI : 10.21136/CMJ.2020.0171-20
Classification : 20C05
Keywords: Wedderburn decomposition; group algebra 
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Dietzel, Carsten; Mittal, Gaurav. Summands of finite group algebras. Czechoslovak Mathematical Journal, Tome 71 (2021) no. 4, pp. 1011-1014. doi : 10.21136/CMJ.2020.0171-20. http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0171-20/

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