From Matrix to Operator Inequalities
From Matrix to Operator Inequalities
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从矩阵到算子不等式
DOI:
10.4153/cmb-2011-063-8
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发表时间:
2009
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通讯作者:
T. Loring
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文献类型:
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作者:
T. Loring
Abstract We generalize Löwner's method for proving that matrix monotone functions are operator monotone. The relation $x\,\le \,y$ on bounded operators is our model for a definition of ${{C}^{*}}$ -relations being residually finite dimensional. Our main result is a meta-theorem about theorems involving relations on bounded operators. If we can show there are residually finite dimensional relations involved and verify a technical condition, then such a theorem will follow from its restriction to matrices. Applications are shown regarding norms of exponentials, the norms of commutators, and “positive” noncommutative $*$ -polynomials.
DOI:
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