Breaking and sustaining bifurcations in SN-Invariant equidistant economy

H. Aizawa, K. Ikeda*, M. Osawa, J. M. Gaspar

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

1 Citação (Scopus)

Resumo

This paper elucidates the bifurcation mechanism of an equidistant economy in spatial economics. To this end, we derive the rules of secondary and further bifurcations as a major theoretical contribution of this paper. Then we combine them with pre-existing results of direct bifurcation of the symmetric group SN [Elmhirst, 2004]. Particular attention is devoted to the existence of invariant solutions which retain their spatial distributions when the value of the bifurcation parameter changes. Invariant patterns of an equidistant economy under the replicator dynamics are obtained. The mechanism of bifurcations from these patterns is elucidated. The stability of bifurcating branches is analyzed to demonstrate that most of them are unstable immediately after bifurcation. Numerical analysis of spatial economic models confirms that almost all bifurcating branches are unstable. Direct bifurcating curves connect the curves of invariant solutions, thereby creating a mesh-like network, which appears as threads of warp and weft. The theoretical bifurcation mechanism and numerical examples of networks advanced herein might be of great assistance in the study of spatial economics.
Idioma originalEnglish
Número do artigo2050240
RevistaInternational Journal of Bifurcation and Chaos
Volume30
Número de emissão16
DOIs
Estado da publicaçãoPublished - 30 dez 2020

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