Titlebook: On approximation theory; Proceedings of the C P. L. Butzer,J. Korevaar Conference proceedings 1964 Springer Basel AG 1964 approximation.app

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,Über die Approximation im Starken Sinne,Ein klassischer Satz von S.N. Bernstein behauptet, daß die . -ten Fejérschen Mittel ... der Fourierreihe einer . -periodischen Funktion . ϵ . mit o . die Funktion . mit der Geschwindigkeit ... approximieren, d.h.

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Some Topics on Approximation by Sums of Exponentials,Let A be a sequence of complex numbers and ..

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An Inequality for Real Functions of a Real Variable and its Application to the Prime Number TheoremLet . and . be real functions of a variable ., and satisfying . then we ask for an upper bound for ..

Nonflammable

Approximation by Polynomials Whose Zeros Lie in a Given Set,A recent survey [7] of the subject lists a number of problems and conjectures. Some of these conjectures have now been proved. The following report, although it contains few proofs, is essentially self-contained.

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,Grundmengen in Normierten Räumen,Eine Grundmenge für einen linearen normierten Raum . ist ein System von Elementen aus ., dessen lineare Hülle in . dicht liegt.

phytochemicals

New and Unsolved Problems,The problems listed below were either presented by the authors in person at the Conference or sent in in the meantime.

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On Linear Positive Operators,Let .[.] denote the class of all real functions . which, are defined and continuous on the closed interval [.] of the real .-axis and let .. denote the class of all real functions which are defined, continuous, and periodic with period . on the real axis (-∞,∞).

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Springer Basel AG 1964

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