Nodal solutions for the weighted biharmonic equation with critical exponential growth

Brahim Dridi, Rachaid Jaidane

In this paper, we deal with the logarithmic weighted fourth order elliptic equation in the unit disk of $B\subset {\mathbb{R}}^4$: $$\displaystyle(P_λ)~~Δ(w(x) Δu) = λ f(x,u) \quad\mbox{ in…