Researches in Mathematics

Vakarchuk, S.B., Alfred Nobel Dnipropetrovsk university, Ukraine

• Vol 23 (2015) - Articles
  On the best polynomial approximation of $$$2\pi$$$-periodic functions in the $$$L_2$$$ space
  Abstract  PDF (Русский)
• Vol 22 (2014) - Articles
  Sharp inequalities of Jackson type in weighted space $$$L_{2;\rho}({\mathbb{R}}^2)$$$
  Abstract  PDF (Русский)
• Vol 21 (2013) - Articles
  On inequalities of Kolmogorov type for the functions being analytic in the unit bicircle
  Abstract  PDF (Русский)
• Vol 20 (2012) - Articles
  On inequalities of Kolmogorov type for the functions being analytic in the disk
  Abstract  PDF (Русский)
• Vol 24 (2016) - Articles
  The best polynomial approximation, derivatives of fractional order, and widths of classes of functions in $$$L_2$$$
  Abstract  PDF (Русский)

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ISSN (Online): 2664-5009

ISSN (Print): 2664-4991