An application of two-parameter martingales in harmonic analysis
Tom 107 / 1993
Studia Mathematica 107 (1993), 115-126
DOI: 10.4064/sm-107-2-115-126
Streszczenie
Some duality results and some inequalities are proved for two-parameter Vilenkin martingales, for Fourier backwards martingales and for Vilenkin and Fourier coefficients.
