2020
DOI: 10.1007/s11117-020-00770-w
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Unitarily invariant norm inequalities for functions of accretive-dissipative $$2\times 2$$ block matrices

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Cited by 3 publications
(4 citation statements)
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“…Note that if A is accretive-dissipative, then W (e -iπ 4 A) ⊆ S π 4 . Recently this class of matrices has been studied by researchers partly due to the fact that it contains the class of positive semidefinite matrices (see, e.g., [1,[11][12][13][14][15][16][17]).…”
Section: ])mentioning
confidence: 99%
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“…Note that if A is accretive-dissipative, then W (e -iπ 4 A) ⊆ S π 4 . Recently this class of matrices has been studied by researchers partly due to the fact that it contains the class of positive semidefinite matrices (see, e.g., [1,[11][12][13][14][15][16][17]).…”
Section: ])mentioning
confidence: 99%
“…Bourahli et al [1,Lemma 3.4] showed that if A = A 11 A 12 A 21 A 22 ∈ M 2n is a positive semidefinite contraction and s, t are positive real numbers such that 1 s…”
Section: ])mentioning
confidence: 99%
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