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ANALYSIS AND MODELING OF COMPLEX LIVING SYSTEMS
Analysis of stochastic attractors for time-delayed quadratic discretemodel of population dynamics
E. D. Ekaterinchuk, L. B. Ryashko Ural Federal University, 51 Lenin st., Ekaterinburg, 620000, Russia
Abstract:
We consider a time-delayed quadratic discrete model of population dynamics under the influence of random perturbations. Analysis of stochastic attractors of the model is performed using the methods of direct numerical simulation and the stochastic sensitivity function technique. A deformation of the probability distribution of random states around the stable equilibria and cycles is studied parametrically. The phenomenon of noise-induced transitions in the zone of discrete cycles is demonstrated.
Keywords:
a time-delayed quadratic discrete model of population dynamics, stochastic sensitivity function.
Received: 15.10.2014
Citation:
E. D. Ekaterinchuk, L. B. Ryashko, “Analysis of stochastic attractors for time-delayed quadratic discretemodel of population dynamics”, Computer Research and Modeling, 7:1 (2015), 145–157
Linking options:
https://www.mathnet.ru/eng/crm175 https://www.mathnet.ru/eng/crm/v7/i1/p145
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Abstract page: | 133 | Full-text PDF : | 56 | References: | 30 |
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