2017
Том 69
№ 6

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Exact constants in Jackson-type inequalities for $L_2$-approximation on an axis

Doronin V. G., Ligun A. A., Serdyuk A. S., Shydlich A. L.

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Abstract

We investigate exact constants in Jackson-type inequalities in the space $L_2$ for the approximation of functions on an axis by the subspace of entire functions of exponential type.

English version (Springer): Ukrainian Mathematical Journal 61 (2009), no. 1, pp 112-120.

Citation Example: Doronin V. G., Ligun A. A., Serdyuk A. S., Shydlich A. L. Exact constants in Jackson-type inequalities for $L_2$-approximation on an axis // Ukr. Mat. Zh. - 2009. - 61, № 1. - pp. 92-98.

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