Browsing by Autor "Cosme Duque"
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Item type: Item , Dynamics of a discrete predator-prey system with nonconstant death rate(LA Referencia, 2017) Cosme Duque; Jahnett UzcáteguiIn this paper, we will consider a discrete non-autonomous predatorprey system with nonconstant death rate.We give sufficient conditions in order to get a dissipative and permanent system.By using the continuation theorem based on the system Gaines and Mawhin's coincidence degree, we study the existence of positive periodic solutions when the coeficients of system are periodic.A numerical example is given to illustrate the effectiveness of the main result.Item type: Item , Global asymptotic stability of a ratio dependent predator prey system with diffusion and delay(Springer Science+Business Media, 2008) Cosme Duque; Marcos LizanaItem type: Item , Partial characterization of the global dynamic of a predator-prey model with non constant mortality rate(Springer Science+Business Media, 2009) Cosme Duque; Marcos Lizana