期刊
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS
卷 10, 期 3, 页码 1803-1815出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nonrwa.2008.02.017
关键词
Non-autonomous Lotka Volterra system; Competition; Extinction; Permanence; Feedback control; Pure-delay
This paperwhich is a continuation of [H. Hu, Z.Teng, H. Jiang, On the extinction in nonautonomous Lotka-Volterra competitive system with pure-delays and feedback controls, Appl. Math. Comput. (2007) (submitted for publication)], considers general n-species non-autonomous Lotka-Volterra competitive systems with pure-delays and feedback controls. New sufficient conditions for which a part of the n species remains permanent, are established by applying the method of multiple Lyapunov functionals and introducing a new analysis technique. In contrast to previous works (see, for example, references [F. Chen, The permanence and global attractivity of Lotka-Volterra competition system with feedback controls, Nonlinear Anal. RWA 7 (2006) 133-143; 1, F. Chen, Global stability of a single species model with feedback control and distributed time delay, Appl. Math. Comput. 178 (2006) 474-479; F. Chen, Permamence in nonautonomous multi-species predator prey system with feedback controls, Appl. Math. Comput. 173 (2006) 694-709; F. Chen, Z. Li, Y. Huang, Note on the permamence of a competitive system with infinite delay and feedback controls, Nonlinear Anal. RWA 8 (2007) 680-697]), we introduce a new research method and obtain feedback controls that can not influence the permanence of species. (C) 2009 Flsevier Ltd. All rights reserved.
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