# "Predator and prey" model revisited -- influence of external fluxes and   noise

**Authors:** Yaroslav Huriev, Andriy Gusak

arXiv: 1907.03362 · 2019-07-23

## TL;DR

This paper revisits the predator-prey model by incorporating external fluxes and noise in kinetic coefficients, exploring how these modifications affect the dynamics of predator and prey populations.

## Contribution

It introduces two natural modifications to the classical predator-prey model: external fluxes via licensing and stochastic noise in kinetic coefficients.

## Key findings

- External fluxes influence population stability.
- Noise in kinetic coefficients affects oscillation patterns.
- Modified model provides more realistic ecological dynamics.

## Abstract

In this paper, we suggest two ways of modifications, which seem natural: a) we will introduce sponsors/hunters of predators or/and preys with "license" for constant rate of sponsoring/hunting (regular external fluxes); b) we will introduce noise of kinetic coefficients.

## Full text

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## Figures

13 figures with captions in the complete paper: https://tomesphere.com/paper/1907.03362/full.md

## References

10 references — full list in the complete paper: https://tomesphere.com/paper/1907.03362/full.md

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Source: https://tomesphere.com/paper/1907.03362