A matrix equation $X^n = aI

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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Hauptverfasser: Heo, Taehyeok, Choi, Jihoon, Kim, Suh-Ryung
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
DOI:10.48550/arxiv.1412.8571