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00925njm 22002777a 4500 dc López Gómez, Julián author Muñoz Hernández, Eduardo author 2021 This paper introduces a spatially heterogeneous diffusive predator-prey model unifying the classical Lotka{Volterra and Holling{Tanner ones through a prey saturation coefficient, m(x), which is spatially heterogenous and it is allowed to ?degenerate'. Thus, in some patches of the territory the species can interact according to a Lotka{Volterra kinetics, while in others the prey saturation effects play a significant role on the dynamics of the species. As we are working under general mixed boundary conditions of non-classical type, we must invoke to some very recent technical devices to get some of the main results of this paper. 1531-3492 10.3934/dcdsb.2020081 https://hdl.handle.net/20.500.14352/7282 https://www.aimsciences.org/article/doi/10.3934/dcdsb.2020081 A spatially heterogeneous predator-prey model