arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2011.01091math.AP
收藏

一般域上高阶算子的最大值原理

Maximum Principle for Higher Order Operators in General Domains

Daniele Cassani, Antonio tarsia

摘要:

我们首先证明了在$W^{1,t}(Ω)$,$Ω\subset\mathbb{R}^N$,与$t>N\geq 2$函数的De Giorgi型水平估计。这种增广的可积性使我们能够建立一个新的Harnack型不等式的功能,不一定属于德Giorgi的类中得到的[迪Benedetto-Trudinger,AIHP(1984)]的功能在$W^{1,2}$。作为结果,我们证明了强最大值原理的有效性的一致椭圆算子的任何偶数阶,在相当一般的域中的二维和三维,提供二阶导数考虑。

英文摘要:

We first prove De Giorgi type level estimates for functions in $W^{1,t}(Ω)$, $Ω\subset\mathbb{R}^N$, with $t>N\geq 2$. This augmented integrability enables us to establish a new Harnack type inequality for functions which do not necessarily belong to De Giorgi's classes as obtained in [Di Benedetto--Trudinger, AIHP (1984)] for functions in $W^{1,2}$. As a consequence, we prove the validity of the strong maximum principle for uniformly elliptic operators of any even order, in fairly general domains in dimension two and three, provided second order derivatives are taken into account.

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。

↑