1989/94/2

Abstract sliding hump technique and characterization of barrelled spaces

Weighted integral inequalities for the ergodic maximal operator and other sublinear operators. Convergence of the averages and the ergodic Hilbert transform

A characterization of weakly amenable Banach algebras

The Fréchet envelopes of vector-valued Smirnov classes

Matrix coefficients of irreducible representations of free products of groups

A geometric condition equivalent to commutativity in Banach algebras