On partial isometries with circular numerical range

DOI10.1515/conop-2020-0121OpenAlexW4206347940MaRDI QIDQ2063209

Elias Wegert, Ilya M. Spitkovskij

Publication date: 10 January 2022

Published in: Concrete Operators (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2109.08481

zbMATH Keywords

interpolationnumerical rangeelliptic functionspartial isometryBlaschke productsPoncelet's porism

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Geometric constructions in real or complex geometry (51M15) Elliptic functions and integrals (33E05) Blaschke products (30J10)

Related Items (2)

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Cites Work

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