Examines existence and multiple solutions in nonlinear eigenvalue problems, indicating significant findings in mathematical analysis.
We study a nonlinear Dirichlet problem eigenvalue driven by a differential operator with unbalanced growth (double phase problem) and a reaction that has the competing effects of a singular term and of a superlinear perturbation. We prove an existence and multiplicity theorem which is global in the parameter λ > 0.
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AHMAD et al. (2026) studied this question.
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