Nonmonotonic Pattern Formation in Three Species Lotka-Volterra System with Colored Noise

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Abstract

A coupled map lattice of generalized Lotka-Volterra equations in the presence of colored multiplicative noise is used to analyze the spatiotemporal evolution of three interacting species: one predator and two preys symmetrically competing each other. The correlation of the species concentration over the grid as a function of time and of the noise intensity is investigated. The presence of noise induces pattern formation, whose dimensions show a nonmonotonic behavior as a function of the noise intensity. The colored noise induces a greater dimension of the patterns with respect to the white noise case and a shift of the maximum of its area towards higher values of the noise intensity.
Lingua originaleEnglish
pagine (da-a)L305-L311
Numero di pagine7
RivistaFluctuation and Noise Letters
Volume5
Stato di pubblicazionePublished - 2005

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All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Physics and Astronomy(all)

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