A New Analysis Method for Chemotaxis-Induced Instability in Multispecies Host-Parasitoid Systems
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作者:
Cao, Huaihuo
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机构:
Northwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Peoples R China
Chizhou Coll, Sch Math & Comp, Chizhou 247000, Peoples R ChinaNorthwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Peoples R China
Cao, Huaihuo
[1
,2
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机构:
[1] Northwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Peoples R China
[2] Chizhou Coll, Sch Math & Comp, Chizhou 247000, Peoples R China
We propose a new method applying matrix theory to analyse the instability conditions of unique homogeneous coexistent state of multispecies host-parasitoid systems. We consider the eigenvalues of linearized operator of systems, and by dimensionality reduction, this infinite dimensional eigenproblem will be reduced to a parametrized finite dimensional eigenproblem, thereby applying combinatorial matrix theory to analyse the linear instability of such constant steady-state.