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该文研究了具有Logistic增长和媒体报道的饱和发生率的随机SVIR模型.为了研究模型的动力学性质,首先证明了随机模型全局正解的存在唯一性,其次通过构造合适的李雅普诺夫函数,探究疾病持久和灭绝的充分性条件.研究表明:当R_0~s> 1时,疾病长时间持续存在.当R_0~e<1时,疾病在流行一段时间后灭绝.最后,通过数值模拟验证了以上结论.
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数学物理学报
ISSN: 1003-3998
CN: 42-1226/O
Year: 2023
Issue: 05
Volume: 43
Page: 1595-1606
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 1
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