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Keller-Segel趋化模型解的全局存在性和爆破时间的下界估计

李远飞

李远飞. Keller-Segel趋化模型解的全局存在性和爆破时间的下界估计 [J]. 应用数学和力学,2022,43(7):816-824 doi: 10.21656/1000-0887.420109
引用本文: 李远飞. Keller-Segel趋化模型解的全局存在性和爆破时间的下界估计 [J]. 应用数学和力学,2022,43(7):816-824 doi: 10.21656/1000-0887.420109
LI Yuanfei. Global Existence of Solutions and Lower Bound Estimate of Blow-Up Time for the Keller-Segel Chemotaxis Model[J]. Applied Mathematics and Mechanics, 2022, 43(7): 816-824. doi: 10.21656/1000-0887.420109
Citation: LI Yuanfei. Global Existence of Solutions and Lower Bound Estimate of Blow-Up Time for the Keller-Segel Chemotaxis Model[J]. Applied Mathematics and Mechanics, 2022, 43(7): 816-824. doi: 10.21656/1000-0887.420109

Keller-Segel趋化模型解的全局存在性和爆破时间的下界估计

doi: 10.21656/1000-0887.420109
基金项目: 广东省普通高校创新团队项目(2020WCXTD008)
详细信息
    作者简介:

    李远飞(1982—),男,特聘教授,博士(E-mail:liqfd@163.com)

  • 中图分类号: O178

Global Existence of Solutions and Lower Bound Estimate of Blow-Up Time for the Keller-Segel Chemotaxis Model

  • 摘要:

    考虑了一个描述趋化细胞迁移的宏观非线性Keller-Segel模型, 其中该模型的存在区域$\varOmega\subset\mathbb{R}^N(N\geqslant2)$是有界的凸区域。利用能量估计的方法得到了$\varOmega\subset\mathbb{R}^3$上解的全局存在性。如果方程中的参数满足一定约束条件,证明了当$N=3$和$N=2$时可能的爆破时间的下界。

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出版历程
  • 收稿日期:  2021-04-25
  • 修回日期:  2021-07-08
  • 刊出日期:  2022-07-15

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