Note on an elementary inequality and its application to the regularity of $p$-harmonic functions

Autor: Sarsa, Saara
Rok vydání: 2020
Předmět:
Druh dokumentu: Working Paper
Popis: We study the Sobolev regularity of $p$-harmonic functions. We show that $|Du|^{\frac{p-2+s}{2}}Du$ belongs to the Sobolev space $W^{1,2}_{loc}$, $s>-1-\frac{p-1}{n-1}$, for any $p$-harmonic function $u$. The proof is based on an elementary inequality.
Comment: 15 pages
Databáze: arXiv