Formal Matrix Rings: Isomorphism Problem

Published 9 Jan 2023 in math.RA | (2301.03219v1)

Abstract: We consider the isomorphism problem for formal matrix rings over a given ring. Principal factor matrices of such rings play an important role in this case. The work is supported by Russian Scientific Foundation, project 23-21-00375 (P.A. Krylov) and project 22-11-00052 (A.A. Tuganbaev).

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