2 papers
math.FA2026
Rigidity of sets of independent functions in symmetric spaces
Sergey V. Astashkin, Yu. V. Malykhin
We say that a symmetric function space has the property whenever all sets of independent mean zero functions , , are poorly appr…
math.FA2025
Kolmogorov widths of the class
Yuri Malykhin
We prove that , . This completes the study of orders of decay of Kolmogorov widths for the classical case of the univariate Sobolev…