Blow-up for Stochastic Reaction-Diffusion Equations with Jumps

Blow-up for Stochastic Reaction-Diffusion Equations with Jumps
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带跳跃的随机反应扩散方程的放大

DOI:
10.1007/s10959-014-0589-1
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发表时间:
2016-06
影响因子:
0.8
通讯作者:
Yuan Chenggui
Yuan Chenggui
中科院分区:
数学4区
文献类型:
--
作者:
Bao Jianhai;Yuan Chenggui

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在本文中,我们重点研究具有跳跃的随机反应扩散方程。通过一个新的辅助函数,我们研究了局部强(变分)解的非负性质,这适用于具有高度非线性噪声项的随机反应扩散方程。作为副产品,我们通过对漂移项施加适当的条件来研究不存在全局强解的问题,这可以覆盖比现有文献更多的模型。此外,我们还通过对噪声项进行一些合理的假设来研究 Lévy 型噪声诱发爆炸的问题,然而,这些假设不需要保证局部强(变分)解来享受非负性质。同时,还给出了几个例子来说明所建立的理论。
In this paper, we focus on stochastic reaction-diffusion equations with jumps. By a new auxiliary function, we investigate non-negative property of the local strong (variational) solutions, which applies to stochastic reaction-diffusion equations with highly nonlinear noise terms. As a byproduct, we study the problem of non-existence of global strong solutions by imposing appropriate conditions on the drift terms, which can cover many more models than the existing literature. Moreover, we also investigate the subject of Lévy-type noise-induced explosion by bringing some plausible assumptions to bear on the noise terms, which, however, need not guarantee local strong (variational) solutions to enjoy the non-negative property. Meanwhile, several examples are presented to illustrate the theory established.
DOI: 10.1143/jpsj.31.280
发表时间: 1971-07
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