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Application of perturbation theory to the nonlinear Volterra-Gause-Witt model for prey-predator interaction

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Abstract

Krylov-Bogoliubov-Mitropolsky perturbation method was used to study the effect of nonlinearity in the Volterra-gause-Witt (VGW) model for a two species prey-predator system. The first order corrections to both the frequency of oscillation and the amplitude of the linearized system were computed. It was found that the basic qualitative features of the nonlinearity are exhibited by the first order result. We have also discussed the Lotka-Volterra problem which is a special case of VGW model.

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Authors and Affiliations

  1. Department of Phhsics, Visva-Bharati, 731235, Santiniketan, W. Bengal, India

    Ranabir Dutt, P. K. Ghosh & B. B. Karmakar

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  1. Ranabir Dutt
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  2. P. K. Ghosh
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  3. B. B. Karmakar
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Dutt, R., Ghosh, P.K. & Karmakar, B.B. Application of perturbation theory to the nonlinear Volterra-Gause-Witt model for prey-predator interaction. Bltn Mathcal Biology 37, 139–146 (1975). https://doi.org/10.1007/BF02470620

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  • DOI: https://doi.org/10.1007/BF02470620

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