Norm inequalities for positive semi-definite matrices and a question of Bourin II
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Let [Formula: see text] and [Formula: see text] be [Formula: see text] positive semi-definite matrices. It is shown that [Formula: see text] for every unitarily invariant norm. This gives an affirmative answer to a question of Bourin in a special case. It is also shown that [Formula: see text] for [Formula: see text] and for every unitarily invariant norm.
2017 ◽
Vol 28
(14)
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pp. 1750102
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2016 ◽
Vol 27
(02)
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pp. 1650008
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1999 ◽
Vol 42
(1)
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pp. 87-96
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