NESTED SUBCLASSES OF SOME SUBCLASS OF THE CLASS OF TYPESELFDECOMPOSABLE DISTRIBUTIONS ON
TAKAHIRO AOYAMA
Abstract: Nested subclasses, denoted by , of the class , a
subclass of the class of type and selfdecomposable distributions on are studied. An
analytic characterization in terms of Lévy measures and a probabilistic characterization by
stochastic integral representations for are known. In this paper, analytic
characterizations for , are given in terms of Lévy measures as well as
probabilistic characterizations by stochastic integral representations are shown. A
relationship with stable distributions is given.
Keywords and phrases: Infinitely divisible distribution on ; type distribution;
selfdecomposable distribution; stochastic integral representation; Lévy process.