Time lags in a “food–limited” population

K. Gopalsamy Department of Mathematics, The University of Rhode Island, Kingston, Rhode Island, 02881, U.S.A

M.R.S Kulenović Department of Mathematics, The University of Rhode Island, Kingston, Rhode Island, 02881, U.S.A

G. Ladas Department of Mathematics, The University of Rhode Island, Kingston, Rhode Island, 02881, U.S.A

Abstract

We obtained sufficient and necessary and sufficient conditions for the oscillation of all positive solutions of where r, k, τ ∊ (0, ∞) and c ∊ (0,∞). We also obtained sufficient conditions for the global attractivity of the positive equilibrium K.

AMS(MOS)::

¹On leave from Flinders University, Bedford Park, S.A. 5042

²On leave from the University of Srajevo, 71000 Sarajevo, Yugoslavia

¹On leave from Flinders University, Bedford Park, S.A. 5042

²On leave from the University of Srajevo, 71000 Sarajevo, Yugoslavia

Notes

¹On leave from Flinders University, Bedford Park, S.A. 5042

²On leave from the University of Srajevo, 71000 Sarajevo, Yugoslavia

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Time lags in a “food–limited” population

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