In this paper, a discrete N-species cooperation system with time delays and feedback controls is proposed. By applying the comparison theorem of difference equation, sufficient conditions are obtained for the permanence of the system. (c) 2006 Elsevier Inc. All rights reserved.
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页码:23 / 29
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[柏灵 Bai Ling], 2004, [生物数学学报, Journal of Biomathematics], V19, P271