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Schmidt, Eckard

Continuity theorems for Cebychev approximations with positive exponential sums. (Stetigkeitsaussagen bei der Tschebyscheff-Approximation mit positiven Exponentialsummen.) (German) Zbl 0212.09201

J. Approximation Theory 4, 13-20 (1971).
Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page
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MSC:

41A50 Best approximation, Chebyshev systems
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References:

[1] Braess, D., Approximation mit Exponentialsummen, Computing, 2, 309-321 (1967) · Zbl 0155.39202
[2] Maehly, H. J.; Witzgall, Ch., Tschebyscheff-Approximation in kleinen Intervallen II, Stetigkeitssätze für gebrochen rationale Approximation, Numer. Math., 2, 293-307 (1960) · Zbl 0131.29801
[3] Polya, G.; Szegö, G., (Aufgaben und Lehrsätze aus der Analysis, Band 2 (1960), Springer Verlag: Springer Verlag Berlin/New York), 49
[4] Schmidt, E., Zur Kompaktheit bei Exponentialsummen, J. Approximation Theory, 3, 445-454 (1970) · Zbl 0212.09103
[5] Schmidt, E., Stetigkeitsaussagen bei der Tschebyscheff-Approximation mit Exponentialsummen, Math. Z., 113, 159-170 (1970) · Zbl 0187.32601
[6] Werner, H., On the rational Tschebyscheff operator, Math. Z., 86, 317-326 (1964) · Zbl 0206.07504
[7] Werner, H., Die Bedeutung der Normalität bei rationaler Tschebyscheff-Approximation, Computing, 2, 34-52 (1967) · Zbl 0147.35802
[8] Werner, H., Vorlesung über Approximationstheorie (1969), Springer Verlag: Springer Verlag Berlin/New York · Zbl 0135.26705
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