Título: A global attractor for a seasonal three-species food chain model.
Autores: Eric J. Avila-Vales


We disscuss a periodic food chain model with three species. A sufficient condition is given to ensure the existence of a positive global attractor for our system. These conditions are expressed in terms of the spectra of linear differential operators associated with the original reaction-diffusion system. Also we give some results on extinction.

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