Littlewood–Paley theorems forM-subharmonic functions

In this paper we prove two theorems of Littlewood–Paley type for M-subharmonic functions. As applications we get a stronger version of an inequality of Littlewood–Paley type forM-harmonic functions and a sufficient condition for the existence of admissible limits ofM-subharmonic functions.  2002 Elsevier Science (USA). All rights reserved