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Збірник праць Інституту математики Національної академії наук України. 2014, 11 (3)
ARCHIVE
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Transactions of Institute of Mathematics, the NAS of Ukraine
2014. Issue 11
(3)
Змiст
.
Lower bounds for Kolmogorov widths in classes of convolutions with Neumann kernel
.
On the best approximation by "angles" in the mean on the plane R2 with the Chebyshev-Hermite weight
.
Pade approximants of series connected with bilinear transformations
.
On Lebesgue continuity on classes of ψ-differentiable functions
.
Two-dimensional Padé type approximants for some analytic functions of two variables
.
Construction of Padé approximants for Lauricella series by method of generalized moment representations
.
Solution of the Kolmogorov-Nikol'skii problem for three-harmonic Poisson integrals on classes Cψ(β,∞)
.
Estimations of linear widths of the classes HΩp periodic functions of many variables in the space Lq
.
Estimates of orthoprojection widths of classes BΩ(p,θ) of periodic functions of several variables with given majorant of mixed moduli of continuity
.
Spectral analysis of two star graph with infinite chains
.
On uniform deviation from the space of continuous function
.
Majorants of remainders of Taylor series of bounded holomorphic functions
.
Mean value theorem
.
Estimates of the entropy numbers and ε-entropy of the Nikol'skii-Besov classes of periodic functions of several variables
.
Faber polynomials with common roots
.
Approximation by step-hyperbolic Fourier sums of classes MBω(1,θ)(ד)
.
Estimates for the best approximations and approximation by Fourier sums of classes of convolutions of periodic functions of not high smoothness in integral metrics
.
Imbedding theorems for sets LψLM and approximation by Fourier sums
.
Order estimates of functionals in terms of which the best n-term approximations of classes Fψ(q,r) are expressed
.
Best orthogonal trigonometric approximations of functions from classes Lψ(β,1)
.
Order estimates for approximative characteristics of functions from generalized classes of mixed smoothness of the Nikol'skii-Besov type
.
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