Sharp Ul'yanov-type inequalities using fractional smoothness

  • Authors:

  • Boris Simonov;Sergey Tikhonov

  • Affiliations:

  • Volgograd State Technical University, 400131 Volgograd, Russia;ICREA and Centre de Recerca Matemítica, Apartat 50 08193 Bellaterra, Barcelona, Spain

  • Venue:
  • Journal of Approximation Theory
  • Year:
  • 2010

Quantified Score

Hi-index 0.00

Visualization

Abstract

In this paper we obtain the following sharp (p,q) inequalities for moduli of smoothness of fractional order: @w"k(f,@d)"L"""q"("X")=