EXISTENCE OF MULTIPLE PERIODIC SOLUTIONS TO THREE-SPECIES DELAYED LOTKA-VOLTERRA MODEL WITH DISPERSION AND HARVESTING

EXISTENCE OF MULTIPLE PERIODIC SOLUTIONS TO THREE-SPECIES DELAYED LOTKA-VOLTERRA MODEL WITH DISPERSION AND HARVESTING

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摘要 The positive periodic solutions to a three-species delayed Lotka-Volterra model with dispersion and harvesting terms are studied in this paper. By the coincidence degree theory, the sufficient conditions for existence of eight positive periodic solutions to the model are obtained. The positive periodic solutions to a three-species delayed Lotka-Volterra model with dispersion and harvesting terms are studied in this paper. By the coincidence degree theory, the sufficient conditions for existence of eight positive periodic solutions to the model are obtained.

作者 Fengying Wei , Juanfeng Liu (College of Math. and Computer Science, Fuzhou University, Fuzhou 350108)

出处《Annals of Differential Equations》 2012年第2期234-241,共8页 微分方程年刊（英文版）

基金 Supported by the National Natural Science Foundation of China (10726062) the Natural Science Foundation of Fujian Province (2010J01005) Science and Technology Development Foundation of Fuzhou University (2010-XQ-24)

关键词 periodic solutions Lotka-Volterra system coincidence degree harve-sting periodic solutions Lotka-Volterra system coincidence degree harve-sting

分类号 O241.8 [理学—计算数学]

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Annals of Differential Equations

2012年第2期

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EXISTENCE OF MULTIPLE PERIODIC SOLUTIONS TO THREE-SPECIES DELAYED LOTKA-VOLTERRA MODEL WITH DISPERSION AND HARVESTING

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