Chebyshev centres, Jung constants, and their applications

DOI10.1070/RM9839zbMath1435.41028OpenAlexW2982404490MaRDI QIDQ5220255

I. G. Tsar'kov, Alexey R. Alimov

Publication date: 11 March 2020

Published in: Russian Mathematical Surveys (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/rm9839

zbMATH Keywords

fixed point theoremnormal structure coefficientJung constantChebyshev netChebyshev centreChebyshev pointChebyshev-centre map

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Selections in general topology (54C65) Geometry and structure of normed linear spaces (46B20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Simultaneous approximation (41A28) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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Uses Software

• Miniball

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