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author:

Chen, Fengde (Chen, Fengde.) [1]

Indexed by:

EI

Abstract:

Sufficient conditions are obtained for the permanence of the following discrete model of mutualism x1 (k + 1) = x1 (k) exp {r1 (k) [frac(K1 (k) + α1 (k) x2 (k - τ2 (k)), 1 + x2 (k - τ2 (k))) - x1 (k - σ1 (k))]}, x2 (k + 1) = x2 (k) exp {r2 (k) [frac(K2 (k) + α2 (k) x1 (k - τ1 (k)), 1 + x1 (k - τ1 (k))) - x2 (k - σ2 (k))]}, where ri, Ki, αi, τi and σi, with i = 1, 2, are non-negative sequences bounded above and below by positive constants, and αi > Ki, with i = 1, 2. © 2007 Elsevier Ltd. All rights reserved.

Keyword:

Discrete time control systems Mathematical models Time delay

Community:

  • [ 1 ] [Chen, Fengde]College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

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Source :

Mathematical and Computer Modelling

ISSN: 0895-7177

Year: 2008

Issue: 3-4

Volume: 47

Page: 431-435

1 . 0 3 2

JCR@2008

1 . 3 6 6

JCR@2015

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 61

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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