中文

带扰动的齐次演化方程的正则化效应

偏微分方程分析 2021-04-15 v4 泛函分析

摘要

自 Aronson 与 Bénilan [C. R. Acad. Sci. Paris Sér., 1979] 以及 Bénilan 与 Crandall [Johns Hopkins Univ. Press, 1981] 的开创性工作以来,众所周知,由非线性但齐次算子支配的一阶演化问题具有光滑化效应,即每个相应的温和解在每个正时刻都是 Lipschitz 连续的。此外,如果底层 Banach 空间具有 Radon-Nikodým 性质,则这些温和解在几乎处处可微,且时间导数满足全局和点态估计。在本文中,我们证明如果这些结果在齐次算子被 Lipschitz 连续映射扰动时仍然成立。更确切地说,我们建立了全局 L1L^1 Aronson-Bénilan 型估计和点态 Aronson-Bénilan 型估计。我们将我们的理论应用于推导由与 pp-Laplace-Beltrami 算子及低阶项相关的 Dirichlet-to-Neumann 算子所支配的扰动扩散问题的时间导数的全局 LqL^q-LL^{\infty} 估计,该问题定义在具有 Lipschitz 边界的紧致黎曼流形上。

关键词

引用

@article{arxiv.2004.00483,
  title  = {Regularizing effect of homogeneous evolution equations with perturbation},
  author = {Daniel Hauer},
  journal= {arXiv preprint arXiv:2004.00483},
  year   = {2021}
}

备注

Among some minor corrections of typos, the direction of the inequality in the point-wise Aronson-B\'enilan type estimates are corrected in this version. The proof was correct, but the final statement had previously the inequality in the wrong direction! arXiv admin note: text overlap with arXiv:1901.08691