Noise Induced Phenomena in Lotka-Volterra Systems
| dc.creator | Spagnolo, B. | |
| dc.creator | Fiasconaro, A. | |
| dc.creator | Valenti, D. | |
| dc.date | 2003-10-24 | |
| dc.date | 2003-10-27 | |
| dc.date.accessioned | 2026-07-07T02:54:24Z | |
| dc.date.available | 2026-07-07T02:54:24Z | |
| dc.description | We study the time evolution of two ecosystems in the presence of external noise and climatic periodical forcing by a generalized Lotka-Volterra (LV) model. In the first ecosystem, composed by two competing species, we find noise induced phenomena such as: (i) quasi deterministic oscillations, (ii) stochastic resonance, (iii) noise delayed extinction and (iv) spatial patterns. In the second ecosystem, composed by three interacting species (one predator and two preys), using a discrete model of the LV equations we find that the time evolution of the spatial patterns is strongly dependent on the initial conditions of the three species. | |
| dc.description | 9 pages, 6 figures, 23 panels. Appeared in Fluctuation and Noise Letters (2003) | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0310585 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0310585 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/22531 | |
| dc.subject | Statistical Mechanics | |
| dc.subject | Populations and Evolution | |
| dc.title | Noise Induced Phenomena in Lotka-Volterra Systems | |
| dc.type | text |