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Competition systems with periodic coefficients: A geometric approach. (English) Zbl 0474.92015


MSC:

92D25 Population dynamics (general)
34C25 Periodic solutions to ordinary differential equations
34D05 Asymptotic properties of solutions to ordinary differential equations
37-XX Dynamical systems and ergodic theory
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[1] Bardi, M.: Predator-prey models in periodic environments. University of Padua: Preprint 1980 · Zbl 0466.92019
[2] Cushing, J. M.: Stable positive periodic solutions of the time-dependent logistic equation under possible hereditary influences. J. Math. Anal. Appl. 60, 747-754 (1977) · Zbl 0367.34032
[3] Cushing, J. M.: Periodic time-dependent predator-prey systems. SIAM J. Appl. Math. 32, 82-95 (1977) · Zbl 0348.34031
[4] Cushing, J. M.: Two species competition in a periodic environment. J. Math. Biol. 10, 385-400 (1980) · Zbl 0455.92012
[5] Koch, A. L.: Coexistence resulting from an alternation of density dependent and density independent growth, J. Theor. Biol. 44, 373-386 (1974)
[6] Krasnosel’skii, M. A.: The operator of translation along the trajectories of differential equations. Providence, RI: AMS 1968
[7] de Mottoni, P., Schiaffino, A.: On logistic equations with time periodic coefficients. Roma: Pubbl. IAC n. 192, 1979 · Zbl 0585.34031
[8] Pliss, V. A.: Integral’nye mno?estva periodi?eskih sistem differencial’nyh uravnenii. Moskva: Nauka 1977 (Russian)
[9] Rosenblat, S.: Population models in a periodically fluctuating environment. J. Math. Biol. 9, 23-36 (1980) · Zbl 0426.92018
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