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2. Nonlinear, nonhomogeneous Robin problems with indefinite potential and general reactionNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: nonhomogeneous differential operator, nonlinear regularity theory, constant sign and nodal solutions, infinitely many nodal solutions, critical groups Full text (file, 397,82 KB) |
3. Nonlinear nonhomogeneous singular problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: singular term, superlinear perturbation, positive solution, nonhomogeneous differential operator, nonlinear regularity, minimal positive solutions, strong comparison principle Full text (file, 416,38 KB) |
4. Perturbations of nonlinear eigenvalue problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: nonhomogeneous differential operator, sublinear perturbation, superlinear perturbation, nonlinear regularity, nonlinear maximum principle, comparison principle, minimal positive solution Full text (file, 729,34 KB) |
5. Nonlinear nonhomogeneous boundary value problems with competition phenomenaNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: nonlinear nonhomogeneous differential operator, nonlinear boundary condition, nonlinear regularity theory, nonlinear maximum principle, critical groups Full text (file, 739,71 KB) |
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7. Positive solutions for nonlinear nonhomogeneous parametric Robin problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: Robin boundary condition, nonlinear nonhomogeneous differential operator, nonlinear regularity, nonlinear maximum principle, bifurcation-type result, extremal positive solution Full text (file, 734,10 KB) |
8. Nodal solutions for nonlinear nonhomogeneous Robin problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: nodal solutions, indefinite potential, nonhomogeneous differential operator, nonlinear regularity theory, truncation and cut-off techniques Full text (file, 615,57 KB) |
9. Nonhomogeneous Dirichlet problems without the Ambrosetti-Rabinowitz conditionGang Li, Vicenţiu Rǎdulescu, Dušan Repovš, Qihu Zhang, 2018, original scientific article Keywords: nonhomogeneous differential operator, Ambrosetti-Rabinowitz condition, Cerami compactness condition, Sobolev space with variable exponent Full text (file, 660,08 KB) |
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