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Search: All articles in the CJM digital archive with keyword Schatten trace ideals

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1. CJM 2004 (vol 56 pp. 225)

Blower, Gordon; Ransford, Thomas
Complex Uniform Convexity and Riesz Measure
The norm on a Banach space gives rise to a subharmonic function on the complex plane for which the distributional Laplacian gives a Riesz measure. This measure is calculated explicitly here for Lebesgue $L^p$ spaces and the von~Neumann-Schatten trace ideals. Banach spaces that are $q$-uniformly $\PL$-convex in the sense of Davis, Garling and Tomczak-Jaegermann are characterized in terms of the mass distribution of this measure. This gives a new proof that the trace ideals $c^p$ are $2$-uniformly $\PL$-convex for $1\leq p\leq 2$.

Keywords:subharmonic functions, Banach spaces, Schatten trace ideals
Categories:46B20, 46L52

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