Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 1999; 36(6): 1115-1132

Printed November 1, 1999

Copyright © The Korean Mathematical Society.

Central limit theorems for multitype age-dependent branching processes

Hye-Jeong Kang

Abstract

We consider a supercritical multitype age dependent branching process. We define a stochastic process $Z_f(t)$ which is a functional of the empirical age distribution. When the limit of the expectation of this functional vanishes we find some sufficient conditions for the asymptotic normality of the mean of $f$ with respect to the empirical age distribution at time $t$.

Keywords: multitype age-dependent branching process, renewal equation, central limit theorem

MSC numbers: 60J80, 60F05