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12. 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) |
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14. Asymmetric Robin problems with indefinite potential and concave termsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, original scientific article Keywords: indefinite and unbounded potential, concave term, asymmetric reaction, critical groups, multiple solutions, Harnack inequality Full text (file, 665,32 KB) |
15. 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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17. Resonant Robin problems driven by the ▫$p$▫-Laplacian plus an indefinite potentialNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: p-Laplacian, indefinite potential, resonance, strong resonance, variational eigenvalue, nonlinear regularity, critical groups, Robin boundary condition Full text (file, 259,14 KB) |
18. Existence and multiplicity of solutions for resonant ▫$(p,2)$▫-equationsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: resonance, variational eigenvalues, critical groups, nonlinear regularity, multiple solutions, nodal solutions Full text (file, 691,44 KB) This document has more files! More... |
19. 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) |
20. ▫$(p,2)$▫-equations asymmetric at both zero and infinityNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: asymmetric reaction, resonance, Fučik spectrum, constant sign solutions, nodal solution, critical groups, Morse relation Full text (file, 684,43 KB) |