Abstract
Audenaert recently obtained an inequality for unitarily invariant norms that interpolates between the arithmetic–geometric mean inequality and the Cauchy–Schwarz inequality for matrices. A refined version of Audenaert’s inequality for the Hilbert–Schmidt norm is given. Other interpolating inequalities for unitarily invariant norms are also presented.
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Acknowledgements
The authors are grateful to the referee for his comments.
Notes
No potential conflict of interest was reported by the authors.