一类反应-对流-各向异性-扩散方程组的整体适定性
Global wellposedness for a class of reaction-advection-anisotropic-diffusion systems
摘要：
证明了一类反应项具有三角形结构的反应平流各向异性扩散方程组整体解的存在唯一性。因此，我们将以前的结果扩展到时空相关的各向异性扩散和时空相关的平流项的情况下。相应的模型是特别相关的多孔介质内的运输过程，并在额外的迁移发生的情况下。的证明是基于最佳的$L^p$ -最大正则性的结果，一般的时间依赖的线性算子的对偶所考虑的系统中所涉及的。作为一个应用程序，我们证明了全球适定性的一个原型类的化学反应系统的质量作用动力学，涉及网络的类型$C_1+\ldots+C_{P-1} \rightleftharpoons C_{P} $的反应。最后，我们分析了如何一个经典的先验$L^2$估计的解决方案，这与这种非线性反应条款，扩展到我们的一般各向异性平流框架。它扩展了相同的假设，各向同性扩散，并取代了$L^{(N+1)/N}$ -估计在一般情况下。
英文摘要：
We prove existence and uniqueness of global solutions for a class of reaction-advection-anisotropic-diffusion systems whose reaction terms have a "triangular structure". We thus extend previous results to the case of time-space dependent anisotropic diffusions and with time-space dependent advection terms. The corresponding models are in particular relevant for transport processes inside porous media and in situations in which additional migration occurs. The proofs are based on optimal $L^p$-maximal regularity results for the general time-dependent linear operator dual to the one involved in the considered systems. As an application, we prove global well-posedness for a prototypical class of chemically reacting systems with mass-action kinetics, involving networks of reactions of the type $C_1+\ldots+C_{P-1} \rightleftharpoons C_{P} $. Finally, we analyze how a classical a priori $L^2$-estimate of the solutions, which holds with this kind of nonlinear reactive terms, extends to our general anisotropic-advection framework. It does extend with the same assumptions for isotropic diffusions and is replaced by an $L^{(N+1)/N}$-estimate in the general situation.
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。
