Asymptotic behavior of solutions of Aoki-Shida-Shigesada model in bounded domains

Ján Eliaš; Masayasu Mimura; Ryunosuke Mori

doi:10.3934/dcdsb.2020082

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2021, Volume 26, Issue 4: 1917-1930. Doi: 10.3934/dcdsb.2020082

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Asymptotic behavior of solutions of Aoki-Shida-Shigesada model in bounded domains

1.
Institute of Mathematics and Scientific Computing, University of Graz, Heinrichstrasse 36, 8010 Graz, Austria
2.
Graduate School of Integrated Sciences for Life, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima City, Hiroshima 739-8526, Japan
3.
Meiji Institute for Advanced Study of Mathematical Sciences, Meiji University, 4–21–1 Nakano, Nakano ku, Tokyo, 164–8525, Japan

^* Corresponding author: Ryunosuke Mori
^* Corresponding author: Ryunosuke Mori

Received: July 2019

Early access: January 2020

Published: April 2021

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Abstract

The beginning of the transition from a hunter-gatherer way of life to a more settled, farming-based one in Europe is dated to the Neolithic period. The spread of farming culture from the Middle East is associated, among other things, with the transformation of landscape, cultivation of domesticated plants, domestication of animals, as well as it is identified with the distribution of certain human genetic lineages. Ecological models attribute the Neolithic transition either to the spread of the initial farming populations or to the dispersal of farming knowledge and ideas with the simultaneous conversion of hunter-gatherers to farmers. A reaction-diffusion model proposed by Aoki, Shida and Shigesada in 1996 is the first model that includes the populations of initial farmers and converted farmers from hunter-gatherers. Both populations compete for the same resources in this model, however, otherwise they evolve independently of each other from a genetic point of view. We study the large time behaviour of solutions to this model in bounded domains and we explain which farmers under what conditions dominate over the other and eventually occupy the whole habitat.

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Mathematics Subject Classification: Primary: 35K57, 35B40; Secondary: 35Q92.

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References

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