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arXiv 2201.13122math.AP
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一类半线性拟抛物型方程整体解的存在性

Existence of global solutions to a semilinear pseudo-parabolic equation

Joydev Halder, Bhargav Kumar Kakumani, Suman Kumar Tumuluri

摘要:

本文考虑一类半线性拟抛物型热方程,其非线性项为对数函数与多项式函数的乘积。本文证明了任意维数$n \geq 1$和幂指数$p>1$的问题解的整体存在性。在不同的能量水平的解决方案的渐近行为。此外,我们证明了整体解确实以指数速率衰减。最后给出了解发生爆破的充分条件。

英文摘要:

In this article, we consider a semilinear pseudo parabolic heat equation with the nonlinearity which is the product of logarithmic and polynomial functions. Here we prove the global existence of solution to the problem for arbitrary dimension $n \geq 1$ and power index $p>1$. Asymptotic behaviour of the solution has been addressed at different energy levels. Moreover, we prove that the global solution indeed decays with an exponential rate. Finally, sufficient conditions are provided under which blow up of solutions take place.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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