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一类捕食-食饵系统的八个正周期解问题 被引量:7

Existence of Eight Positive Periodic Solutions for a Predator-prey System
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摘要 利用重合度理论中的Mawhin延拓定理,研究一类具Beddington-DeAngelis功能反应和收获项的三种群捕食-食饵系统,得到系统至少存在8个正周期解的充分条件. In this paper , a predator -prey system with Beddington -DeAngelis functional response and exploited terms was considered using the continuation theorem of coincidence degree theory .The sufficient condi-tion for the existence of eight positive periodic solutions was obtained .
出处 《佳木斯大学学报(自然科学版)》 CAS 2014年第1期143-146,149,共5页 Journal of Jiamusi University:Natural Science Edition
基金 安徽省自然科学基金项目(1408085MA02) 安徽省高校自然科学基金重点项目(KJ2012A019) 教育部博士点基金项目(20103401120002) 安徽大学211项目(XJYJXKC04 02303303-33030011 KYXL2012004)
关键词 捕食-食饵系统 正周期解 Beddington—DeAngelis功能反应 predator - prey system periodic solutions Beddington - DeAngelis functional response
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参考文献8

  • 1Fengying Wei. Existence of Multiple Positive Periodic Solutions to a Periodic Predator - prey System with Harvesting Terms and Holling III Type Functional Response [ J ]. Commun Nonlinear ,Sci Numer Simulat ,2011,16:2130 - 2138.
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