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author:

Wei, Fengying (Wei, Fengying.) [1] (Scholars:魏凤英) | Wang, Ke (Wang, Ke.) [2]

Indexed by:

EI Scopus SCIE

Abstract:

The existence of positive periodic solution of n-species ecological system with infinite delay (x) over dot (i) (t) = h(i) (t, x(t)) {bi (t, x(t)) - a(i) (t, x(t))x(i) (t) - integral(t)(-infinity) G(i)(t, s, x(1)(s),..., x(n) (s)) ds} i = 1,..., n is studied by the authors. Under the suitable conditions, the main results are obtained by using of the method developed by Wang [On the existence of periodic solutions of functional differential equations, Chinese Ann. Math. 10A(3) (1989) 366-372 (in Chinese)] and the essential Theorems 2.1-2.3 of Sawano [Exponential asymptotic stability for functional differential equations with infinite retardations, Tohoku Math. J. 31 (1979) 363-382]. Our results differ from the ones given by Wang (Positive periodic solutions of an n-species ecological system, Acta Math. Appl. Sinica 17(l) (1994) 1-8 (in Chinese)]. 0 2006 Elsevier B.V. All rights reserved.

Keyword:

infinite delay n-species ecological system positive periodic solutions

Community:

  • [ 1 ] Fuzhou Univ, Coll Math & Comp Sci, Fuzhou 350002, Peoples R China
  • [ 2 ] Harbin Inst Technol, Dept Math, Weihui 264209, Peoples R China

Reprint 's Address:

  • 魏凤英

    [Wei, Fengying]Fuzhou Univ, Coll Math & Comp Sci, Fuzhou 350002, Peoples R China

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Source :

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS

ISSN: 0377-0427

Year: 2007

Issue: 2

Volume: 208

Page: 362-372

0 . 9 4 3

JCR@2007

2 . 1 0 0

JCR@2023

ESI Discipline: MATHEMATICS;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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