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The limit of non-linear Chebyshev approximation on subsets. (English) Zbl 0256.41024


MSC:

41A50 Best approximation, Chebyshev systems
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References:

[1] Cheney, E. W.,Introduction to Approximation Theory (McGraw-Hill, New York, 1966). · Zbl 0161.25202
[2] Rice, J. R.,The Approximation of Functions, 1 (Addison-Wesley, Reading, Mass., 1964). · Zbl 0114.27001
[3] Tornheim, L.,On n-parameter Families of Functions and Associated Convex Functions, Trans. Amer. Math. Soc.69, 457–467 (1950). · Zbl 0040.02901
[4] Young, J. W.,General Theory of Approximation by Functions Involving a Given Number of Arbitrary Parameters, Trans. Amer. Math. Soc.8, 331–344 (1907). · JFM 38.0429.01 · doi:10.1090/S0002-9947-1907-1500787-8
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