On the Continuity of Best Approximations by Constants on Balls in Metric Measure Spaces

Autor: I. N. Katkovskaya, V. G. Krotov
Rok vydání: 2020
Předmět:
Zdroj: Mathematical Notes. 107:257-263
ISSN: 1573-8876
0001-4346
DOI: 10.1134/s0001434620010253
Popis: Conditions for the constants of best approximation in the metric of the spaces Lp(B) to be continuous or semicontinuous as functions of the center of a ball B of fixed radius in a metric space with Borel measure are studied.
Databáze: OpenAIRE