Growth of th means of analytic and subharmonic functions in the unit disc and angular distribution of zeros
arXiv:1509.02141
Abstract
Answering a question of A.Zygmund in \cite{MR} G.MacLane and L.Rubel described boundedness of -norm w.r.t. the argument of , where is a Blaschke product. We generalize their results in several directions. We describe growth of th means, , of subharmonic functions bounded from above in the unit disc. Necessary and sufficient conditions are formulated in terms of the complete measure (of a subharmonic function) in the sense of A.Grishin. We also prove sharp estimates of the growth of th means of analytic and subharmonic functions of finite order in the unit disc.
19 pages