淡江大學機構典藏:Item 987654321/120736
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    Title: Asymptotic spreading speeds for a predator-prey system with two predators and one prey
    Authors: Ducrot, Arnaud;Giletti, Tomas;Guo, Jong-Shenq;Shimojo, Masahiko
    Date: 2021-01-26
    Issue Date: 2021-05-05 12:13:11 (UTC+8)
    Publisher: Institute of Physics Publishing Ltd.
    Abstract: This paper investigates the large time behaviour of a three species reaction–diffusion system, modelling the spatial invasion of two predators feeding on a single prey species. In addition to the competition for food, the two predators exhibit competitive interactions and, under some parameter condition, they can also be considered as two mutants. When mutations occur in the predator populations, the spatial spread of invasion takes place at a definite speed, identical for both mutants. When the two predators are not coupled through mutation, the spreading behaviour exhibits a more complex propagating pattern, including multiple layers with different speeds. In addition, some parameter conditions reveal situations where a nonlocal pulling phenomenon occurs and in particular where the spreading speed is not linearly determined.
    Relation: Nonlinearity 34(2), p.669-704
    Appears in Collections:[Graduate Institute & Department of Mathematics] Journal Article

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