Kalchuk I. Approximations of the differentiable functions by the linear methods of summation of their series and integrals of Fourier

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0408U000620

Applicant for

Specialization

  • 01.01.01 - Математичний аналіз

12-02-2008

Specialized Academic Board

Д 26.206.01

The Institute of Mathematics of NASU

Essay

We found total asymptotic expansions for exact upper bounds of approximation by harmonic and beharmonic integrals of Poisson on the Sobolev's classes W^{r}_{p}, p=1,

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