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Approximation of conjugate differentiable functions by biharmonic Poisson integrals

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Ukrainian Mathematical Journal Aims and scope

We determine the exact values of upper bounds of approximations by biharmonic Poisson integrals on classes of conjugate differentiable functions in uniform and integral metrics.

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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 61, No. 3, pp. 333–345, March, 2009.

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Zhyhallo, K.M., Kharkevych, Y.I. Approximation of conjugate differentiable functions by biharmonic Poisson integrals. Ukr Math J 61, 399–413 (2009). https://doi.org/10.1007/s11253-009-0217-x

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  • DOI: https://doi.org/10.1007/s11253-009-0217-x

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