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    Article

    Pusz–Woronowicz Functional Calculus and Extended Operator Convex Perspectives

    In this article, we first study, in the framework of operator theory, Pusz and Woronowicz’s functional calculus for pairs of bounded positive operators on Hilbert spaces associated with a homogeneous two-varia...

    Fumio Hiai, Yoshimichi Ueda, Shuhei Wada in Integral Equations and Operator Theory (2021)

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    Chapter and Conference Paper

    Notes on Treeability and Costs for Discrete Groupoids in Operator Algebra Framework

    Yoshimichi Ueda in Operator Algebras (2006)