Torba S. An operator approach to the direct and inverse theorems of the approximation theory

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0408U000234

Applicant for

Specialization

  • 01.01.01 - Математичний аналіз

15-01-2008

Specialized Academic Board

Д 26.206.01

The Institute of Mathematics of NASU

Essay

In the thesis the direct and inverse theorems of the approximation theory of the Banach space vectors by exponential type entire vectors of some non-quasianalytic unbounded operator which is the generator of a C0-group are established, and the accuracy estimates of approximate solving of Caushy problem for differential-operator equations by Cayley method are found.

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