Researches in Mathematics

Tkachenko, M.Ye., Oles Honchar Dnipropetrovsk National University, Ukraine

• Vol 23 (2015) - Articles
  Criterion of the best non-symmetric approximant for multivariable functions in spaces $$$L_{p_1,...,p_n}$$$
  Abstract  PDF (Українська)
• Vol 22 (2014) - Articles
  General form of linear continuous functional and criterion of the best approximant in spaces with mixed integral metric
  Abstract  PDF (Українська)
• Vol 21 (2013) - Articles
  Conditions of unicity of the best non-symmetric $$$L_1$$$-approximant
  Abstract  PDF (Русский)
• Vol 20 (2012) - Articles
  Conditions of unicity of the best non-symmetric $$$L_1$$$-approximant for continuous vector-valued functions by one-dimensional subspace
  Abstract  PDF (Русский)
• Vol 24 (2016) - Articles
  Criterion of the best approximant for multivariable functions in spaces $$$L_{1,p_2,...,p_n}$$$ and $$$L_{p_1,...,p_{n-1},1}$$$
  Abstract  PDF (Українська)
• Vol 25 (2017) - Articles
  Criterions for the best non-symmetric $$$L_p$$$- and $$$L_1$$$-approximant for the functions with values in KB-spaces with weight
  Abstract  PDF (Українська)
• Vol 19 (2011) - Articles
  Conditions of unicity of the best nonsymmetric $$$L_1$$$-approximant for vector-valued functions by one-dimensional subspace
  Abstract  PDF (Русский)
• Vol 17 (2009) - Articles
  Conditions of unicity of the best non-symmetric $$$L_1$$$-approximant for vector-valued functions by subspace of constant mappings
  Abstract  PDF (Русский)
• Vol 16 (2008) - Articles
  Conditions of unicity of the best $$$L_1$$$-approximant for vector-valued functions by subspace of constant mappings
  Abstract  PDF (Русский)

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ISSN (Online): 2664-5009

ISSN (Print): 2664-4991