English

Singular solutions for coercive quasilinear elliptic inequalities with nonlocal terms

Analysis of PDEs 2023-08-28 v1

Abstract

We study the inequality div(xαum2u)(Iβup)uq\mboxinB1{0}RN, {\rm div}\big(|x|^{-\alpha}|\nabla u|^{m-2}\nabla u\big)\geq (I_\beta\ast u^p)u^q \quad\mbox{ in } B_1\setminus\{0\}\subset {\mathbb R}^N, where α>0\alpha>0, N1N\geq 1, m>1m>1, p,q>m1p, q>m-1 and IβI_\beta denotes the Riesz potential of order β(0,N)\beta\in(0, N). We obtain sharp conditions in terms of these parameters for which positive singular solutions exist. We further establish the asymptotic profile of singular solutions to the double inequality a(Iβup)uqdiv(xαum2u)b(Iβup)uq\mboxinB1{0}RN, a(I_\beta\ast u^p)u^q\geq {\rm div}\big(|x|^{-\alpha}|\nabla u|^{m-2}\nabla u\big)\geq b(I_\beta\ast u^p)u^q \quad\mbox{ in } B_1\setminus\{0\}\subset {\mathbb R}^N, where ab>0a\geq b>0 are constants.

Keywords

Cite

@article{arxiv.2001.04355,
  title  = {Singular solutions for coercive quasilinear elliptic inequalities with nonlocal terms},
  author = {Roberta Filippucci and Marius Ghergu},
  journal= {arXiv preprint arXiv:2001.04355},
  year   = {2023}
}

Comments

26 pages

R2 v1 2026-06-23T13:09:53.869Z