{ "id": "1506.08943", "version": "v1", "published": "2015-06-30T05:55:29.000Z", "updated": "2015-06-30T05:55:29.000Z", "title": "Permanence and extinction of regime-switching predator-prey models", "authors": [ "Jianhai Bao", "Jinghai Shao" ], "categories": [ "math.PR" ], "abstract": "In this work we study the permanence and extinction of a regime-switching predator-prey model with Beddington-DeAngelis functional response. The switching process is used to describe the random changing of corresponding parameters such as birth and death rates of a species in different environments. Our criteria can justify whether a prey die out or not when it will die out in some environments and will not in others. Our criteria are rather sharp, and they cover the known on-off type results on permanence of predator-prey models without switching. Our method relies on the recent study of ergodicity of regime-switching diffusion processes.", "revisions": [ { "version": "v1", "updated": "2015-06-30T05:55:29.000Z" } ], "analyses": { "subjects": [ "60H10", "92D25", "60J60" ], "keywords": [ "regime-switching predator-prey model", "permanence", "extinction", "beddington-deangelis functional response", "on-off type results" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }