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    • Singular Anisotropic Problems with Competition Phenomena
    Authors: Nikolaos S., Papageorgiou; Calogero, Vetro; Francesca, Vetro;  Advisor: -;  Co-Author: - (2023)

    We consider a Dirichlet problem driven by the anisotropic (p(z), q(z))-Laplacian, with a parametric reaction exhibiting the combined effects of singular and concave-convex nonlinearities. The superlinear term may change sign. Using variational tools together with truncation and comparison techniques, we prove a global (for the parameter λ>0 ) existence and multiplicity theorem (a bifurcation-type theorem).