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Multicentric calculus and the Riesz projection

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Publication:4642205
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zbMath1399.30016arXiv1602.08337MaRDI QIDQ4642205

Diana Apetrei, Olavi Nevanlinna

Publication date: 22 May 2018

Full work available at URL: https://arxiv.org/abs/1602.08337


zbMATH Keywords

lemniscatesspectral projectionsRiesz projectionsmulticentric calculussign function of an operator


Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Spectrum, resolvent (47A10) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16) Holomorphic, polynomial and rational approximation, and interpolation in several complex variables; Runge pairs (32E30) Series expansions of functions of one complex variable (30B99)


Related Items (2)

Rational functions as new variables ⋮ Multicentric holomorphic calculus for \(n\)-tuples of commuting operators







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