Connectedness and solarity in problems of best and near-best approximation
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Publication:2815672
DOI10.1070/RM9698zbMath1350.41031OpenAlexW2401530484MaRDI QIDQ2815672
I. G. Tsar'kov, Alexey R. Alimov
Publication date: 30 June 2016
Published in: Russian Mathematical Surveys (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1070/rm9698
connectednesseikonal equationChebyshev setnear-best approximationsunstrict sunmonotone path-connectednessinfinite connectedness
Set-valued maps in general topology (54C60) Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Variants of convex sets (star-shaped, ((m, n))-convex, etc.) (52A30)
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