A remark on the F. and M. Riesz theorem
Authors: Louis Pigno and Brent Smith
Journal: Proc. Amer. Math. Soc. 79 (1980), 585-586
MSC: Primary 43A17; Secondary 46J10
MathSciNet review: 572307
Abstract: Let be a measure of analytic type on the unit circle. We give a short direct proof that is absolutely continuous with respect to Lebesgue measure; our method also gives a convolution product version of some related several variable results.