A conjecture on a class of matrices
José Luis Palacios (1986)
Časopis pro pěstování matematiky
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José Luis Palacios (1986)
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Sivasubramanian, Sivaramakrishnan (2010)
The Electronic Journal of Combinatorics [electronic only]
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Wang, Jonathan (2010)
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Xiao-Dong Zhang, Chang-Xing Ding (2009)
Czechoslovak Mathematical Journal
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In this paper, necessary and sufficient conditions for equality in the inequalities of Oppenheim and Schur for positive semidefinite matrices are investigated.
Yurij Alekseevich Mitropol'ski, V. L. Kulik (1986)
Časopis pro pěstování matematiky
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Bronisław Ceranka, Maria Kozłowska (1991)
Applicationes Mathematicae
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