The Pure and Applied Mathematics (한국수학교육학회지시리즈B:순수및응용수학)
- Volume 15 Issue 1
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- Pages.93-101
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- 2008
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- 1226-0657(pISSN)
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- 2287-6081(eISSN)
ON HEINZ-KATO-FURUTA INEQUALITY WITH BEST BOUNDS
Abstract
In this article we shall characterize the Heinz-Kato-Furuta inequality in several ways, and the best bound for sharpening of the inequality is obtained by the method in [7].
Keywords
- Furuta inequality;
- Heinz-Kato-Furuta inequality;
- polar decomposition of operator;
- partial isometry;
- Cauchy-Schwarz inequality