1. Anisotropic (p, q)-equations with gradient dependent reactionNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2021, original scientific article Keywords: anisotropic (p, q)-Laplacian, convection, nonvariational problem, nonlinear regularity theory, maximum principle, fixed point, minimal positive solution Full text (file, 392,49 KB) This document has more files! More... |
2. Positive solutions for nonlinear Neumann problems with singular terms and convectionNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: singular term, convection term, nonlinear regularity, nonlinear maximum principle, Leray-Schauder alternative theorem, fixed point theory Full text (file, 337,30 KB) |
3. Superlinear perturbations of the eigenvalue problem for the Robin Laplacian plus an indefinite and unbounded potentialNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: superlinear perturbation, regularity theory, maximum principle, constant sign and nodal solutions, critical groups, indefinite potential Full text (file, 661,09 KB) |
4. 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) |
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 parametric singular Dirichlet problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: parametric singular term, (p-1)-linear perturbation, uniform nonresonance, nonlinear regularity theory, truncation, strong comparison principle, bifurcation-type theorem Full text (file, 672,01 KB) |
8. Double-phase problems with reaction of arbitrary growthNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: double-phase problem, nonlinear maximum principle, nonlinear regularity theory, critical point theory, critical groups Full text (file, 649,96 KB) |
9. 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) |
10. Robin problems with a general potential and a superlinear reactionNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2017, original scientific article Keywords: indefinite potential, Robin boundary condition, critical groups, superlinear reaction term, regularity theory, critical groups, nodal solutions Full text (file, 761,32 KB) |