In this paper we obtain order estimates for the Kolmogorov widths of the set $B_{p_0}^m\cap \nu B_{p_1}^m$ in $l_q^m$; here $0\le n\le m/2$, $p_0>p_1$, $q<\infty$.
Estimates for the Kolmogorov widths of an intersection of two balls in a mixed norm
Estimates for the Gelfand widths of intersections of finite-dimensional balls
Kolmogorov widths of Besov classes $B^1_{1,θ}$ and products of octahedra
![QR code for arXiv:2007.04894 [math.FA]](http://oss.arxitics.com/images/favicon.svg)