The almost positive subdefinite matrix (Q2735408)
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scientific article; zbMATH DE number 1640412
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The almost positive subdefinite matrix |
scientific article; zbMATH DE number 1640412 |
Statements
18 August 2002
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almost positive subdefinite matrix
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Hadamard product
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Kronecker product
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Schur's theorem
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Hua's theorem
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Openheim's inequality
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The almost positive subdefinite matrix (English)
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The author defines an almost positive subdefinite matrix and investigates the basic properties of these matrices and those of their Hadamard product and Kronecker product. The author also generalizes Schur's theorem, Hua's theorem and Openheim's inequality to almost positive subdefinite matrices.
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