Published Paper

Inserted: 22 jul 2018
Last Updated: 22 jul 2018

Journal: Journal of Functional Analysis
Year: 2015
Doi: https://www.sciencedirect.com/science/article/pii/S002212361500261X

Abstract:

We give new criteria for the existence of weak solutions to equation with source term $ -\Delta u = u^q $ in $\Omega$, $u=\sigma$ on $\partial\Omega $ where $q>1$, $\Omega$ is a either a bounded smooth domain or $\mathbb{R}_+^{N}$ and $\sigma\in \mathbf{M}^+(\partial\Omega)$ is a nonnegative Radon measure on $\partial\Omega$. In particular, one of the criteria is expressed in terms of some Bessel capacities on $\partial\Omega$. We also give a sufficient condition for the existence of weak solutions to equation with source mixed term. $ -\Delta u =
u
^{q_1-1}u
\nabla u
^{q_2}$ in $\Omega$, $u=\sigma$ on $\partial\Omega$ where $q_1,q_2\geq 0, q_1+q_2>1, q_2<2$, $\sigma\in \mathbf{M}(\partial\Omega)$ is a Radon measure on $\partial\Omega$.

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