| Permanence and Positive Periodic Solutions for Kolmogorov Competing Species Systems with Periodic Forced Terms |
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| 作者姓名： | Li Lin |
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| 作者单位： | Beijng Institute of Petro-Chemical Technology，Beijing 102600，P.R.China |
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| 摘 要： | IIntroductionhnsldertheKolmogorovtypeequationswithforcedtermsforn－spedeswheremevectorfunctionIscontinuousandT－periodicInthet—variable（T＞0）andP。（t）IS。COntlnuOuST－period1CfUnCtlol（l—1，2，…，n），。nddoeSn。tCh。ngeitsSignSlfl［0，Inthispaper，wesaythatthesystem（1．1）lspermanent，Ifthereexiststwoconstantssuchthatanysolutionexistsgloballyon［0，＋OO）andthatthereexistsTO＞0suchthatPe。anenceofconslde。dspeczeshasbeenw；delydlscu。edInllte。ture（see［1，2．3Jandtherefer…
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Permanence and Positive Periodic Solutions for Kolmogorov Competing Species Systems with Periodic Forced Terms |
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| Li Lin.Permanence and Positive Periodic Solutions for Kolmogorov Competing Species Systems with Periodic Forced Terms[J].Journal of Biomathematics,1997(Z1). |
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| Authors: | Li Lin |
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| Abstract: | |
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| Keywords: | Competing species system permanence positive periodic solutions Poincare mapping |
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