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Zbl 1225.34094
Li, Yongkun; Zhao, Kaihong; Ye, Yuan
Multiple positive periodic solutions of $n$ species delay competition systems with harvesting terms. (English)
[J] Nonlinear Anal., Real World Appl. 12, No. 2, 1013-1022 (2011). ISSN 1468-1218

The authors explore the periodicity of a delay periodic Lotka-Volterra type multi-species competitive system with harvesting terms and derive sufficient conditions for the existence of multiple positive periodic solutions by using a continuation theorem from coincidence degree theory.
[Meng Fan (Changchun)]
MSC 2000:
*34K60 Applications of functional-differential equations
34K13 Periodic solutions of functional differential equations
92D25 Population dynamics
47N20 Appl. of operator theory to differential and integral equations

Keywords: periodic solutions; delay competition system; coincidence degree

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