Approximation of some classes of set-valued periodic functions by generalized trigonometric polynomials

  • V. V. Babenko
  • V. F. Babenko
  • M. V. Polishchuk


We generalize some known results on the best, best linear, and best one-sided approximations by trigonometric polynomials from the classes of $2 \pi$ -periodic functions presented in the form of convolutions to the case of classes of set-valued functions.
How to Cite
BabenkoV. V., BabenkoV. F., and PolishchukM. V. “Approximation of Some Classes of Set-valued periodic Functions by Generalized Trigonometric Polynomials”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 68, no. 4, Apr. 2016, pp. 449-5,
Research articles