A hierarchy of thin sets related to the boundedness of trigonometric series
Authors:
Peter Elias
Affiliation:
Mathematical Institute, Slovak Academy of Sciences, Jesenná 5, 041 54 Kosice, Slovakia
Abstract:
We study the family of the sets on which some series of the form is uniformly bounded. We show that the families of all sets admitting the boundary form a hierarchy which is incontinuous with respect to the operations of intersection and union.