Population growth in discrete time: a renewal equation oriented survey

B. Boldin, O. Diekmann*, J. A.J. Metz

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Traditionally, population models distinguish individuals on the basis of their current state. Given a distribution, a discrete time model then specifies (precisely in deterministic models, probabilistically in stochastic models) the population distribution at the next time point. The renewal equation alternative concentrates on newborn individuals and the model specifies the production of offspring as a function of age. This has two advantages: (i) as a rule, there are far fewer birth states than individual states in general, so the dimension is often low; (ii) it relates seamlessly to the next-generation matrix and the basic reproduction number. Here we start from the renewal equation for the births and use results of Feller and Thieme to characterize the asymptotic large time behaviour. Next we explicitly elaborate the relationship between the two bookkeeping schemes. This allows us to transfer the characterization of the large time behaviour to traditional structured-population models.

Original languageEnglish
Pages (from-to)1062-1090
Number of pages29
JournalJournal of Difference Equations and Applications
Volume30
Issue number8
Early online date13 Oct 2023
DOIs
Publication statusPublished - 2024

Bibliographical note

Publisher Copyright:
© 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Funding

Barbara Boldin acknowledges the support of the Slovenian Research Agency [I0-0035, research program P1-0285 and research projects J1-9186, J1-1715]. Hans Metz benefited from the support from the \u2018Chaire Mod\u00E9lisation Math\u00E9matique et Biodiversit\u00E9 of Veolia Environnement-\u00C9cole Polytechnique-Museum National d'Histoire Naturelle-Fondation X\u2019.

FundersFunder number
The Slovenian Research and Innovation AgencyJ1-9186, I0-0035, J1-1715

    Keywords

    • basic reproduction number
    • growth rate
    • next-generation matrix
    • renewal equation
    • reproductive value
    • stable distribution
    • Structured-population model

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