The α-scalar diagonal stability of block matrices |
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| Authors: | Magdalena Wanat |
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| Affiliation: | Department of Applied Mathematics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland |
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| Abstract: | We generalize two results: Kraaijevanger’s 1991 characterization of diagonal stability via Hadamard products and the block matrix version of the closure of the positive definite matrices under Hadamard multiplication. We restate our generalizations in terms of Pα-matrices and α-scalar diagonally stable matrices. |
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| Keywords: | 15A15 15A48 15A57 |
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