Abstract:
Order estimates are obtained for the Kolmogorov, linear, and Gel'fand widths of the image of the unit ball of the space lp under the action of a two-weight summation operator with weights of special kind. Some limit conditions on the parameters defining the weights are considered.
Citation:
A. A. Vasil'eva, “Estimates for the widths of discrete function classes generated by a two-weight summation operator”, Modern problems of mathematics, mechanics, and mathematical physics. II, Collected papers, Trudy Mat. Inst. Steklova, 294, MAIK Nauka/Interperiodica, Moscow, 2016, 308–324; Proc. Steklov Inst. Math., 294 (2016), 291–307