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Publication:3891172
zbMath0446.41011MaRDI QIDQ3891172
Publication date: 1980
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Banach spaces of continuous, differentiable or analytic functions (46E15)
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The existence of elements of best approximation in the complex space C(Q) ⋮ Structure of sets of strong subdifferentiability in dual $L^1$-spaces ⋮ A characterization of generalized and classical best approximation elements relative to spaces of finite codimension ⋮ Strong subdifferentiability of convex functionals and proximinality ⋮ Modulus of strong proximinality and continuity of metric projection ⋮ Boundary of the unit ball and approximation by elements of subspaces of finite codimension in C(Q) ⋮ Finite-codimensional Chebyshev subspaces in the complex space \(C(Q)\) ⋮ Continuity of the metric projection onto subspaces of finite codimension in C(Q) ⋮ Elements of best approximation relative to subspaces of finite codimension
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