1. Nonlinear singular problems with indefinite potential termNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, izvirni znanstveni članek Ključne besede: nonhomogeneous differential operator, indefinite potential, singular term, concave and convex nonlinearities, truncation, comparison principles, nonlinear regularity, nonlinear maximum principle Celotno besedilo (datoteka, 366,33 KB) |
2. Nonlinear, nonhomogeneous Robin problems with indefinite potential and general reactionNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: nonhomogeneous differential operator, nonlinear regularity theory, constant sign and nodal solutions, infinitely many nodal solutions, critical groups Celotno besedilo (datoteka, 397,82 KB) |
3. Existence and multiplicity of solutions for double-phase Robin problemsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: double phase Robin problem, Carathéodory nonlinearity, existence theorem, superlinear case, positive solutions, resonant case Celotno besedilo (datoteka, 327,04 KB) |
4. Positive solutions for nonlinear Neumann problems with singular terms and convectionNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: singular term, convection term, nonlinear regularity, nonlinear maximum principle, Leray-Schauder alternative theorem, fixed point theory Celotno besedilo (datoteka, 337,30 KB) |
5. Nonlinear nonhomogeneous Robin problems with almost critical and partially concave reactionNikolaos Papageorgiou, Dušan Repovš, Calogero Vetro, 2020, izvirni znanstveni članek Ključne besede: competition phenomena, nonlinear regularity, nonlinear maximum principle, strong comparison principle, bifurcation-type result, almost critical growth Celotno besedilo (datoteka, 400,84 KB) |
6. Ground state and nodal solutions for a class of double phase problemsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: double phase operator, weight function, superlinear reaction, Nehari manifold, ground state solution, nodal solution Celotno besedilo (datoteka, 349,88 KB) |
7. Nonlinear nonhomogeneous singular problemsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: singular term, superlinear perturbation, positive solution, nonhomogeneous differential operator, nonlinear regularity, minimal positive solutions, strong comparison principle Celotno besedilo (datoteka, 416,38 KB) |
8. Superlinear perturbations of the eigenvalue problem for the Robin Laplacian plus an indefinite and unbounded potentialNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, izvirni znanstveni članek Ključne besede: superlinear perturbation, regularity theory, maximum principle, constant sign and nodal solutions, critical groups, indefinite potential Celotno besedilo (datoteka, 661,09 KB) |
9. Asymmetric Robin problems with indefinite potential and concave termsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, izvirni znanstveni članek Ključne besede: indefinite and unbounded potential, concave term, asymmetric reaction, critical groups, multiple solutions, Harnack inequality Celotno besedilo (datoteka, 665,32 KB) |
10. Perturbations of nonlinear eigenvalue problemsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2019, izvirni znanstveni članek Ključne besede: nonhomogeneous differential operator, sublinear perturbation, superlinear perturbation, nonlinear regularity, nonlinear maximum principle, comparison principle, minimal positive solution Celotno besedilo (datoteka, 729,34 KB) |