摘要
Inrecentyears,populationgrowthmodelswithspatialdiffusionhavebeenextensivelystudiedbymanyauthors(forexample,see[1-5]).Inthispaper,apopulationgrowthmodelisconsideredwithadiscreteage-dependenceandspatialdiffusion,andisinvestigatedinasemigroupframework.Thespectralpropertiesofthepopulationoper-atoraregiven.Onthebasisofsuchspectralconsideration,theasymptoticbehaviourofthesemigroupgeneratedbythepopulationoperatorisobtained.Finally,anonlinearpopulationgrowthmodelisconsideredanditsstabilityisanalyzed.
出版日期
1993年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)