21. Parametric nonlinear resonant Robin problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: indefinite and unbounded potential, critical groups, multiple solutions, nonlinear regularity, resonance, Robin boundary condition, strong comparison, truncation Full text (file, 673,65 KB) |
22. Nonlinear singular problems with indefinite potential termNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: nonhomogeneous differential operator, indefinite potential, singular term, concave and convex nonlinearities, truncation, comparison principles, nonlinear regularity, nonlinear maximum principle Full text (file, 366,33 KB) |
23. Anisotropic equations with indefinite potential and competing nonlinearitiesNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: variable exponent spaces, regularity theory, maximum principle, concave and convex nonlinearities, positive solutions, comparison principles Full text (file, 650,13 KB) |
24. Robin double-phase problems with singular and superlinear termsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2021, original scientific article Keywords: nonhomogeneous differential operator, nonlinear regularity theory, truncation, strong comparison principle, positive solutions Full text (file, 653,77 KB) |
25. Positive solutions for the Robin ▫$p$▫-Laplacian plus an indefinite potentialNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: local minimizers, p-Laplacian, strong comparison, positive solutions, nonlinear regularity, minimal solution, indefinite potential Full text (file, 653,28 KB) |
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27. Anisotropic singular Neumann equations with unbalanced growthNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2022, original scientific article Keywords: modular function, truncation, comparison principle, minimal solution, anisotropic regularity Full text (file, 3,45 MB) |
28. Constant sign and nodal solutions for parametric anisotropic $(p, 2)$-equationsNikolaos S. Papageorgiou, Dušan Repovš, Calogero Vetro, 2023, original scientific article Keywords: anisotropic operators, regularity theory, maximum principle, constant sign and nodal solutions, critical groups, variable exponent, electrorheological fluids Full text (file, 1,54 MB) This document has more files! More... |
29. Anisotropic $(p,q)$-equations with convex and negative concave termsNikolaos S. Papageorgiou, Dušan Repovš, Calogero Vetro, 2023, independent scientific component part or a chapter in a monograph Keywords: variable Lebesgue spaces, variable Sobolev spaces, variable ▫$(p,q)$▫-operator, regularity theory, local minimizer, critical point theory Full text (file, 347,45 KB) This document has more files! More... |