INEQUALITIES FOR DIFFERENTIABLE PERIODIC FUNCTIONS AND BEST APPROXIMATION OF ONE CLASS OF FUNCTIONS BY ANOTHER

@article{Korneiuk1972INEQUALITIESFD,
  title={INEQUALITIES FOR DIFFERENTIABLE PERIODIC FUNCTIONS AND BEST APPROXIMATION OF ONE CLASS OF FUNCTIONS BY ANOTHER},
  author={N. Kornei{\vc}uk},
  journal={Mathematics of The Ussr-izvestiya},
  year={1972},
  volume={6},
  pages={417-428}
}
  • N. Korneičuk
  • Published 1972
  • Mathematics
  • Mathematics of The Ussr-izvestiya
New results are obtained in this paper which elucidate properties of differentiable periodic functions connected with rearrangements. These results are applied in order to obtain a sharp estimate of the best uniform approximation of functions of the class by functions of the class . 
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