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author:

石志高 (石志高.) [1] | 吴承强 (吴承强.) [2] (Scholars:吴承强)

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CQVIP PKU CSCD

Abstract:

研究一类食饵种群具有常数收获翠的Holling-Ⅳ类功能性反应的捕食系统:{dx/dt=x(α-bx-cx2)-xy/β+x2-h dy/dt=y(-d+μx/β+x2)在4βd2<μ2≤49/6βd2,ф(x2)>0,-x1<=x1<-x2<=x2情形下系统极限环的存在情况,分析了该系统的平衡点性态,证明了系统在正平衡点的外围极限环的存在性.得到了在一定条件下,正平衡点外围至少存在2个极限环的结论.

Keyword:

Holling-Ⅳ型功能反应函数 Hopf分支 异宿轨 极限环

Community:

  • [ 1 ] [石志高]福州大学
  • [ 2 ] [吴承强]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2008

Issue: 3

Volume: 36

Page: 327-330

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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