Abstract
Let be a positive invertible matrix, and let be a normal matrix. Following the investigation of Ando, we show that , where denotes the geometric mean, fails in general.
Citation
Tomohiro Hayashi. "On a conjecture of the norm Schwarz inequality." Ann. Funct. Anal. 8 (3) 377 - 385, August 2017. https://doi.org/10.1215/20088752-2017-0003
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