Sidon sets and Riesz sets for some measure algebras on the disk
Volume 72 / 1997
Colloquium Mathematicum 72 (1997), 269-279
DOI: 10.4064/cm-72-2-269-279
Abstract
Sidon sets for the disk polynomial measure algebra (the continuous disk polynomial hypergroup) are described completely in terms of classical Sidon sets for the circle; an analogue of the F. and M. Riesz theorem is also proved.