ANALYTICAL APPROXIMATIONS OF LOTKA–VOLTERRA INTEGRALS

Abstract In this paper, we derive simple analytical bounds for solutions of $x - \ln x = y -\ln y$ , and use them for estimating trajectories following Lotka–Volterra-type integrals. We show how our results give estimates for the Lambert W function as well as for trajectories of general predator–prey systems, including, for example, Rosenzweig–MacArthur equations.

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Publication Details

Journal
The ANZIAM Journal
Published
2025-01-01
DOI
https://doi.org/10.1017/s1446181125000033
Primary Topic
Fractional Differential Equations Solutions
Type
article
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article

ANALYTICAL APPROXIMATIONS OF LOTKA–VOLTERRA INTEGRALS

Niklas L. P. Lundström, Gunnar Söderbacka
The ANZIAM Journal
Fractional Differential Equations Solutions
article

ANALYTICAL APPROXIMATIONS OF LOTKA–VOLTERRA INTEGRALS

Niklas L. P. Lundström, Gunnar Söderbacka
article en

Abstract

Abstract In this paper, we derive simple analytical bounds for solutions of $x - \ln x = y -\ln y$ , and use them for estimating trajectories following Lotka–Volterra-type integrals. We show how our results give estimates for the Lambert W function as well as for trajectories of general predator–prey systems, including, for example, Rosenzweig–MacArthur equations.

The ANZIAM JournalVol. 67
Åbo Akademi University (FI), Umeå University (SE)
Openalex Percentile: Top 92%
Fractional Differential Equations Solutions
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ANALYTICAL APPROXIMATIONS OF LOTKA–VOLTERRA INTEGRALS — Niklas L. P. Lundström, Gunnar Söderbacka · The ANZIAM Journal (2025) | TGRS Research Map | TGRS