B Kawohl, J Horak - arXiv preprint arXiv:1604.07675, 2016 - arxiv.org
The $ p $-Laplacian operator $\Delta_pu={\rm div}\left (|\nabla u|^{p-2}\nabla u\right) $ is not
uniformly elliptic for any $ p\in (1, 2)\cup (2,\infty) $ and degenerates even more when …