On property-\((P_1)\) and semi-continuity properties of restricted Chebyshev-center maps in \(\ell_{\infty}\)-direct sums

DOI10.1007/s41478-023-00647-7MaRDI QIDQ6645293

Publication date: 28 November 2024

Published in: The Journal of Analysis (Search for Journal in Brave)

subalgebra property-\((P_1)\)lower and upper Hausdorff semi-continuity restricted Chebyshev-center map

Geometry and structure of normed linear spaces (46B20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Banach spaces of continuous, differentiable or analytic functions (46E15) Convex sets in topological linear spaces; Choquet theory (46A55)

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