Geodesic
On the binary system of factors of formal matrix rings
Czechoslovak Mathematical Journal, Tome 70 (2020) no. 3, pp. 693-709.

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We investigate the formal matrix ring over $R$ defined by a certain system of factors. We give a method for constructing formal matrix rings from non-negative integer matrices. We also show that the principal factor matrix of a binary system of factors determine the structure of the system.
DOI : 10.21136/CMJ.2020.0464-18
Classification : 15B99, 16S50
Keywords: formal matrix ring; bimodule; system of factors; Wedderburn-Artin theorem 
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Chen, Weining; Deng, Guixin; Su, Huadong. On the binary system of factors of formal matrix rings. Czechoslovak Mathematical Journal, Tome 70 (2020) no. 3, pp. 693-709. doi : 10.21136/CMJ.2020.0464-18. http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0464-18/

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