$C^1$ 区域及小常数 Lipschitz 区域边界处调和函数的唯一延拓
偏微分方程分析
2021-05-12 v6 经典分析与常微分方程
摘要
设 为 区域,或更一般地,为具有小局部 Lipschitz 常数的 Lipschitz 区域。本文证明:若 是在 中调和且在 中连续的函数,其在相对开子集 上消失,且法向导数 在 中具有正表面积测度的子集上消失,则 恒为 。
引用
@article{arxiv.2004.10721,
title = {Unique continuation at the boundary for harmonic functions in $C^1$ domains and Lipschitz domains with small constant},
author = {Xavier Tolsa},
journal= {arXiv preprint arXiv:2004.10721},
year = {2021}
}
备注
More detailed explanation in some argument involving integration by parts and in Remark 3.3. An additional appendix with a self-contained proof of Lemma 4.3, whose proof was not included in the paper previously