1. 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... |
2. On a new fractional Sobolev space with variable exponent on complete manifoldsAhmed Aberqi, Omar Benslimane, Abdesslam Ouaziz, Dušan Repovš, 2022, original scientific article Keywords: fractional ▫$p(z, \cdot)$▫-Laplacian, existence of solutions, fractional Sobolev space with variable exponent on complete manifolds, variational method Full text (file, 1,68 MB) This document has more files! More... |
3. 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) |
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) |
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6. Existence and multiplicity of solutions for double-phase Robin problemsNikolaos S. Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: double phase Robin problem, Carathéodory nonlinearity, existence theorem, superlinear case, positive solutions, resonant case Full text (file, 327,04 KB) |
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9. On critical variable-order Kirchhoff type problems with variable singular exponentJiabin Zuo, Debajyoti Choudhuri, Dušan Repovš, 2022, original scientific article Keywords: fractional Laplacian of variable-order, continuous embedding, genus, symmetric mountain pass theorem, variable singular exponent Full text (file, 461,50 KB) This document has more files! More... |
10. Pairs of fixed points for a class of operators on Hilbert spacesAbdelhak Mokhtari, Kamel Saoudi, Dušan Repovš, 2024, original scientific article Keywords: Hilbert spaces, potential operators, genus, fixed point theorem, boundary value problem Full text (file, 316,86 KB) This document has more files! More... |