The multiplicative matrix commutator equation (A,X)=B
Cain, Bryan E., Zaballa, Ion (1992)
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Let A be an n×n irreducible nonnegative (elementwise) matrix. Borobia and Moro raised the following question: Suppose that every diagonal of A contains a positive entry. Is A similar to a positive matrix? We give an affirmative answer in the case n = 4.
Johnson, Charles R., Merris, Russell, Pierce, Stephen (1985-1986)
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Oliveira, Graciano N. de, Dias da Silva, J.A. (1985-1986)
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Wiegmann, N.A. (1959)
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H. S. Thurston (1939)
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Beitia, Maria Asunción, Cain, Bryan E., Zaballa, Ion (1988)
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Rufus Oldenburger (1940)
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