Salvatore Bonafede, Dipartimento di Economia dei Sistemi Agro-Forestali, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy, e-mail: firstname.lastname@example.org
Abstract: We prove existence results for the Dirichlet problem associated with an elliptic semilinear second-order equation of divergence form. Degeneracy in the ellipticity condition is allowed.
Keywords: weak subsolution, degenerate equation, critical point, fixed-point theorems
Classification (MSC2000): 35A05, 35J70, 47H10
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