The paper discusses nonautonomous discrete Lotka-Volterra type n-species competitive systems with pure-delays and feedback controls. New sufficient conditions for which a part of the n-species remains permanent and others is driven to extinction are established by using the method of multiple discrete Lyapunov functionals and introducing new analysis technique. Our results show that the feedback controls cannot influence the permanence of species.
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Nanhua Univ, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China
Shanghai Univ, Dept Math, Shanghai 200444, Peoples R ChinaNanhua Univ, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China
Liao, Xinyuan
Ottyang, Zigen
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Nanhua Univ, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R ChinaNanhua Univ, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China
Ottyang, Zigen
Zhou, Shengfan
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Shanghai Normal Univ, Math & Sci Coll, Shanghai 200234, Peoples R ChinaNanhua Univ, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China
机构:
Xinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xingjiang, Peoples R ChinaXinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xingjiang, Peoples R China
Hu, Hongxiao
Teng, Zhidong
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Xinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xingjiang, Peoples R ChinaXinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xingjiang, Peoples R China
Teng, Zhidong
Gao, Shujing
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Gannan Normal Univ, Coll Math & Comp Sci, Ganzhou 341000, Peoples R ChinaXinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xingjiang, Peoples R China