A matrix equation X^n = aI
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🧮 math.RA
keywords
matrixequationconditionfactorizationfactorizefactorsgivenecessary
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In this paper, we study a matrix equation $X^n = aI$. We factorize $X^n - aI$ based upon the factorization of $x^n - a$ and then give a necessary and sufficient condition for one of the factors to be the zero matrix.
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