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Branching processes with random environments

Krishna B. Athreya, +1 more
- 01 Jul 1970 - 
- Vol. 76, Iss: 4, pp 865-870
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TLDR
In this article, the authors postulate that {Zn} satisfy the recurrence relations (5) E(s^\\Fn,z) = K W ] ^ a.s.
Abstract
We postulate that {Zn} satisfy the recurrence relations (5) E(s^\\Fn,z) = K W ] ^ a.s. and for any set of integers l ^ W i < w 2 < • • • <rik with | s t | â l , A MS Subject Classifications. Primary 6067; Secondary 6030.

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Journal ArticleDOI

Conceptual proofs of L log L criteria for mean behavior of branching processes

TL;DR: The Kesten-Stigum theorem is a fundamental criterion for the rate of growth of a supercritical branching process, showing that an $L \log L$ condition is decisive as mentioned in this paper.
Journal ArticleDOI

Demographic and Environmental Stochasticity Concepts and Definitions

TL;DR: In this article, general definitions of demographic and environmental variances as well as demographic covariance are given from first principles, which are consistent with use of these terms in models with additive effects and in diffusion approximations to population processes.
Journal ArticleDOI

Ergodic theorems in demography

TL;DR: The strong and weak ergodic theorems of demography as mentioned in this paper describe the properties of a product of certain nonnegative matrices, in the limit as the number of matrix factors in the product becomes large.
Journal ArticleDOI

Random temporal variation in selection intensities: Case of large population size☆

TL;DR: This work presents the first study of a diploid model involving selection forces exhibiting systematic temporal variation and investigates the influence of random fluctuations in selection intensities on the growth behavior of haploid populations.
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From stochastic environments to life histories and back

TL;DR: This paper examines life-history evolution in a variable environment, by decomposing average individual fitness into contributions from average vital rates and their temporal variation, and shows that stochastic growth rates are strongly affected by demographic dispersion, even when deterministic growth rate rates are not.
References
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Book

The Theory of Branching Processes

T. E. Harris
TL;DR: A review of the Galton and Watson mathematical model that applies probability theory to the effects of chance on the development of populations is given in this article, followed by a systematic development of branching processes, and a brief description of some of the important applications.
Journal ArticleDOI

On Branching Processes in Random Environments

TL;DR: In this article, the branching process of a Markov chain is defined as a branching process such that each point in the chain is associated with a variable associated with an operating system.