11. 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) |
12. 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) |
13. Nodal solutions for the Robin ▫$p$▫-Laplacian plus an indefinite potential and a general reaction termNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: Robin p-Laplacian, indefinite potential, nodal solutions, truncation techniques, comparison principle Full text (file, 604,00 KB) This document has more files! More... |
|
15. 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) |
16. 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) |
17. 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) |
18. 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) |
19. 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) |
20. Assessing the effectiveness of video-based interviewingBojana Lobe, David L. Morgan, 2021, original scientific article Keywords: online focus groups, video conferencing, dyadic interviewing, systematic comparison, digital technologies, focus groups, interviews Full text (file, 1,11 MB) This document has more files! More... |