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A structural theorem of the generalized spline functions. (English) Zbl 1199.41050

Summary: The main result of this article consist in a structural theorem for generalized spline functions based on the properties of the spaces, the operator and the interpolatory set involved.

MSC:

41A15 Spline approximation
41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces)
41A50 Best approximation, Chebyshev systems
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