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arxiv: 1906.06155 · v1 · pith:LIQGWFCYnew · submitted 2019-06-14 · 🧮 math.FA

Characterizing matrix monotonicity of fixed order on general sets

classification 🧮 math.FA
keywords matrixordercharacterizationsfixedgeneralmonotonicityarbitrarybendat--sherman
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We give new characterizations for matrix monotonicity and convexity of fixed order which connects previous characterizations by Loewner, Dobsch, Donoghue, Kraus and Bendat--Sherman. The ideas introduced are then used to characterize matrix monotone functions of arbitrary order on general subsets of the real line.

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