Existence results for a class of semilinear degenerate elliptic equations. (English) Zbl 1075.35501

Bonafede, Salvatore

Math. Bohem. 128, No. 2, 187-198 (2003).

Summary: 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.

MSC:

35A05	General existence and uniqueness theorems (PDE) (MSC2000)
35J70	Degenerate elliptic equations
47H10	Fixed-point theorems

Keywords:

weak subsolution; degenerate equation; critical point; fixed-point theorems