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author:

魏凤英 (魏凤英.) [1] (Scholars:魏凤英) | 林青腾 (林青腾.) [2]

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CQVIP PKU CSCD

Abstract:

研究了一类具有非线性发病率的随机SEIR传染病模型的绝灭性及平稳分布问题,通过构造合适的Lyapunov函数及控制噪声强度,在适当的条件下,得到模型的全局解存在唯一、指数稳定,且解具有平稳分布及遍历性.利用线性化及Fourier变换,证明了解渐近服从四维正态分布,并给出均值及方差矩阵的表达式.数值模拟验证了我们所得的主要结果.

Keyword:

It(o)公式 传染病模型 平稳分布 绝灭性

Community:

  • [ 1 ] [魏凤英]福州大学
  • [ 2 ] [林青腾]福州大学

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Source :

数学学报

ISSN: 0583-1431

CN: 11-2038/O1

Year: 2018

Issue: 1

Volume: 61

Page: 155-166

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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