On upper semi-continuity of simultaneous operators

zbMath0588.41027MaRDI QIDQ1073289

P. Govindarajulu

Publication date: 1985

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

zbMATH Keywords

upper semi-continuitybest simultaneous approximation operatorfarthest point operatorsimultaneous farthest operator

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Simultaneous approximation (41A28) Approximation by positive operators (41A36)

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