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Author:

牛秀艳 (牛秀艳.) | 姜小军 (姜小军.) | 吕金凤 (吕金凤.) | 张晓华 (张晓华.) | 何尚琴 (何尚琴.)

Abstract:

建立了对数种群模型N′(t)=N(t){r(t)-a1(t)ln[N(t)]-a2(t)ln[N(t-τ(t))]}的正周期解的存在性及吸引所有正解的充分条件,通过构造函数f(x)=x+exa(0<x≤1),研究了时滞种群模型的正周期解对所有正解的吸引性,改进了相关文献中的结论.

Keyword:

全局吸引性 时滞种群模型 正周期解

Author Community:

  • [ 1 ] 河北科技师范学院数理系
  • [ 2 ] 北京工业大学计算机学院

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Source :

北华大学学报(自然科学版)

Year: 2008

Issue: 05

Page: 397-402

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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