On the geometry of proximinal subspaces of codimension \(n\) of \(C(\mathcal{Q})\)

zbMath1230.46014MaRDI QIDQ997597

Francesca Centrone, Anna Martellotti

Publication date: 7 August 2007

Published in: Ricerche di Matematica (Search for Journal in Brave)

zbMATH Keywords

nonatomic measurefinite codimensionproximinalityLyapunov theoremRiesz representationextreme and exposed points

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20) Vector-valued set functions, measures and integrals (28B05) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Vector-valued measures and integration (46G10) Banach spaces of continuous, differentiable or analytic functions (46E15) Spaces of measures (46E27)

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