Widths of function classes on sets with tree-like structure

• A.A. Vasil'eva ^[1]
  1. [1] Moscow State University

     Moscow State University

     Rusia

     
• Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 192, Nº 1 (April 2015), 2015, págs. 19-59
• Idioma: inglés
• DOI: 10.1016/j.jat.2014.11.001
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• Resumen

  • The paper is concerned with orders of the Kolmogorov, Gelfand and linear widths of function classes on sets with tree-like structure. As examples we consider weighted Sobolev classes on a John domain and some function classes on trees.