Sharp Liouville type results for semilinear elliptic inequalities involving gradient terms on weighted graphs

We study nonexistence and existence of nontrivial positive solutions to the following semilinear elliptic inequality involving gradient terms $Δu+u^p\left|\nabla u\right|^q\leq0,$ on weighted graphs, where $(p,q)\in\mathbb{R}^2$. We give a complete classification of $(p,q)$ under which sharp volume growth assumptions are established.

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