Tokyo University of Science · Faculty of Science Division I, Department of Applied Mathematics · 教授

Research keywordsoperator means・matrix analysis・operator monotonicity・entropy inequalities・positive definite matrices・functional analysis

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• UPPER AND LOWER BOUNDS, AND OPERATOR MONOTONICITY OF AN EXTENSION OF THE PETZ-HASEGAWA FUNCTION2018
• Some properties of weighted operator means and characterizations of interpolational means2017
• On a family of operator means involving the power difference means2015
• Entropy Inequalities for Sums over Several Subsets and Their Applications to Average Entropy2014

• Information entropy and its applications2003
• 情報エントロピーの基礎論とその応用2003
• Operator inequalities and their applications1999
• 作用素不等式とその応用1999

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