On an inequality for the Hadamard produc
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Yongzhong Song
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Article
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2000
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Elsevier Science
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English
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When A โ R nรn is an M-matrix we prove the following inequality: where A โข B is the Hadamard product of two matrices A and B, q(B) = [p(B -1 )] -1 and p(C) denotes the Perron eigenvalue of a nonnegative matrix C. This also gives a positive answer to the conjecture posed by Fiedler and Markham.