A special family of Galton-Watson processes with explosions

Sagitov, S. and Lindo, A. (2016) A special family of Galton-Watson processes with explosions. In: del Puerto, I. M., Gonzalez, M., Gutierrez, C., Martinez, R., Minuesa, C., Molina, M., Mota, M. and Ramos, A. (eds.) Branching Processes and Their Applications. Series: Lecture notes in statistics (219). Springer: Cham, pp. 237-254. ISBN 9783319316390 (doi:10.1007/978-3-319-31641-3_14)

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Abstract

The linear-fractional Galton-Watson processes is a well known case when many characteristics of a branching process can be computed explicitly. In this paper we extend the two-parameter linear-fractional family to a much richer four-parameter family of reproduction laws. The corresponding Galton-Watson processes also allow for explicit calculations, now with possibility for infinite mean, or even infinite number of offspring. We study the properties of this special family of branching processes, and show, in particular, that in some explosive cases the time to explosion can be approximated by the Gumbel distribution.

Item Type:Book Sections
Status:Published
Glasgow Author(s) Enlighten ID:Lindo, Dr Alexey
Authors: Sagitov, S., and Lindo, A.
College/School:College of Science and Engineering > School of Mathematics and Statistics > Statistics
Journal Name:Branching Processes and Their Applications
Publisher:Springer
ISBN:9783319316390
Published Online:07 September 2016

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