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Partly alternating families. (English) Zbl 0246.41024


MSC:

41A50 Best approximation, Chebyshev systems
Full Text: DOI

References:

[1] Dunham, C. B., Chebyshev approximation with respect to a weight function, J. Approximation Theory, 2, 223-232 (1969) · Zbl 0175.34903
[2] Dunham, C. B., Characterizability and uniqueness in real Chebyshev approximation, J. Approximation Theory, 2, 374-383 (1969) · Zbl 0184.08901
[3] Rice, J. R., The characterization of best nonlinear Tchebycheff approximations, Trans. Amer. Math. Soc., 96, 322-340 (1960) · Zbl 0146.08204
[4] Rice, J. R., (The Approximation of Functions, Vol. 2 (1969), Addison-Wesley: Addison-Wesley Reading, MA) · Zbl 0185.30601
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