On Dirichlet problems with singular nonlinearity of indefinite sign

Tomás Godoy, Uriel Kaufmann

Let $\Omega$ be a smooth bounded domain in ${\mathbb{R}}^N$, $N\ge 1$, let $K$, $M$ be two nonnegative functions and let $\alpha ,\gamma >0$. We study existence and nonexistence of positive solutio…