Invariant subspace, determinant and char
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Yaokun Wu
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Article
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2008
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Elsevier Science
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English
β 124 KB
Making use of an elementary fact on invariant subspace and determinant of a linear map and the method of algebraic identities, we obtain a factorization formula for a general characteristic polynomial of a matrix. This answers a question posed in [A. Deng, I. Sato, Y. Wu, Characteristic polynomials