Confining integro-differential equations originating from evolutionary biology: Ground states and long time dynamics

نویسندگان

چکیده

<p style='text-indent:20px;'>We consider nonlinear mutation selection models, known as <i>replicator-mutator</i> equations in evolutionary biology. They involve a nonlocal kernel and confining fitness potential. We prove that the long time behaviour of Cauchy problem is determined by principal eigenelement underlying linear operator. The novelties compared to literature on these models are about case symmetric mutations: we propose new milder sufficient condition for existence eigenfunction, provide what our knowledge first quantification spectral gap. also recover existing results non-symmetric case, through approach.</p>

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ژورنال

عنوان ژورنال: Discrete and Continuous Dynamical Systems-series B

سال: 2022

ISSN: ['1531-3492', '1553-524X']

DOI: https://doi.org/10.3934/dcdsb.2022120