Existence results for Tzitzéica equation via topological degree method on graphs

Kaizhe Chen, Heng Zhang

We derive some existence results for the solutions of the Tzitzéica equation \begin{equation*} -Δu + h_1(x)e^{Au} + h_2(x)e^{-Bu}=0 \end{equation*} and the generalized Tzitzéica…