Abstract
An eigenring formula for computing a base ring for ann×n matrix ring is given in the context of the Agnarsson-Amitsur-Robson characterization of such matrix rings. Various other recognition criteria and computations of “hidden” matrix rings are also given.
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Lam, T.Y., Leroy, A. Recognition and computations of matrix rings. Israel J. Math. 96, 379–397 (1996). https://doi.org/10.1007/BF02937312
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DOI: https://doi.org/10.1007/BF02937312