一類帶自由邊界的捕食模型問題的定性分析
發(fā)布時間:2018-10-09 15:00
【摘要】:本文對于一類分布于一維空間并帶自由邊界的捕食模型的初邊值問題,研究捕食者與被捕食者的長時間發(fā)展行為.首先,給出發(fā)展-滅亡二分法,我們研究當(dāng)t→∞時,兩物種或者得到成功的發(fā)展,從而在新的環(huán)境下成功生存下去;或者發(fā)展失敗,一段時間后滅亡.其次,給出了兩物種發(fā)展-滅亡的準(zhǔn)則.最后,我們研究當(dāng)物種能夠得到成功發(fā)展時,給出其發(fā)展速度的一個估計(jì).
[Abstract]:In this paper, the behavior of predator and predator over a long period of time is studied for the initial boundary value problem of a predator model with free boundary in one-dimensional space. First of all, we give the development-perishing dichotomy, we study that when t 鈭,
本文編號:2259766
[Abstract]:In this paper, the behavior of predator and predator over a long period of time is studied for the initial boundary value problem of a predator model with free boundary in one-dimensional space. First of all, we give the development-perishing dichotomy, we study that when t 鈭,
本文編號:2259766
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