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In this paper, we establish a Liouville-type theorem for a system of higher-order parabolic inequalities by using the method of test functions and an integral estimate. As an application, we observe the Fujita blow-up phenomena for the corresponding parabolic system, which in particular fills up the gap in the recent result of Pang et. al. (Existence and nonexistence of global solutions for a higher-order semilinear parabolic system, Indiana Univ. Math. J., 55(2006), 1113-1134). Moreover, the importance of this observation is that we do not impose any regularity assumption on the initial data. 相似文献
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该文研究一类带非局部源项的反应扩散方程组. 作者证明了初值充分大时解在有限时刻爆破, 建立了爆破解的爆破速率估计以及边界层估计. 相似文献
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本文在自然的饱和效应假设之下证明了一类双趋化Stokes系统的三维初边值问题经典解的整体存在性与一致有界性.由于系统的强非线性性,本文的方法可以应用于最近备受关注的珊瑚产卵等模型的研究. 相似文献
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