Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems

Stochastically forced discrete dynamical systems are considered. Using first approximation systems, we study dynamics of deviations of stochastic solutions from deterministic equilibria. Necessary and sufficient conditions of the existence of stable stationary solutions of equations for mean-square...

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Main Author: Irina Adolfovna Bashkirtseva
Format: Article
Language:Russian
Published: Institute of Computer Science 2013-08-01
Series:Компьютерные исследования и моделирование
Subjects:
Online Access:http://crm.ics.org.ru/uploads/crmissues/crm_2013_4/13405.pdf
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author Irina Adolfovna Bashkirtseva
author_facet Irina Adolfovna Bashkirtseva
author_sort Irina Adolfovna Bashkirtseva
collection DOAJ
description Stochastically forced discrete dynamical systems are considered. Using first approximation systems, we study dynamics of deviations of stochastic solutions from deterministic equilibria. Necessary and sufficient conditions of the existence of stable stationary solutions of equations for mean-square deviations are derived. Stationary values of these mean-square deviations are used for the estimations of the dispersion of random states nearby stable equilibria and analysis of noise-induced transitions. Constructive application of the suggested technique to the analysis of various stochastic regimes in Ricker population model with Allee effect is demonstrated.
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spelling doaj.art-c194e7dd6a6b46ba83ee8e6d14ff2ed22022-12-22T03:41:27ZrusInstitute of Computer ScienceКомпьютерные исследования и моделирование2076-76332077-68532013-08-015455957110.20537/2076-7633-2013-5-4-559-5712065Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systemsIrina Adolfovna BashkirtsevaStochastically forced discrete dynamical systems are considered. Using first approximation systems, we study dynamics of deviations of stochastic solutions from deterministic equilibria. Necessary and sufficient conditions of the existence of stable stationary solutions of equations for mean-square deviations are derived. Stationary values of these mean-square deviations are used for the estimations of the dispersion of random states nearby stable equilibria and analysis of noise-induced transitions. Constructive application of the suggested technique to the analysis of various stochastic regimes in Ricker population model with Allee effect is demonstrated.http://crm.ics.org.ru/uploads/crmissues/crm_2013_4/13405.pdfnonlinear discrete systemsrandom disturbancesnoise-induced transitionsRicker model
spellingShingle Irina Adolfovna Bashkirtseva
Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
Компьютерные исследования и моделирование
nonlinear discrete systems
random disturbances
noise-induced transitions
Ricker model
title Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
title_full Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
title_fullStr Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
title_full_unstemmed Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
title_short Analysis of stochastically forced equilibria and noise-induced transitions in nonlinear discrete systems
title_sort analysis of stochastically forced equilibria and noise induced transitions in nonlinear discrete systems
topic nonlinear discrete systems
random disturbances
noise-induced transitions
Ricker model
url http://crm.ics.org.ru/uploads/crmissues/crm_2013_4/13405.pdf
work_keys_str_mv AT irinaadolfovnabashkirtseva analysisofstochasticallyforcedequilibriaandnoiseinducedtransitionsinnonlineardiscretesystems