111. Existence of solutions for systems arising in electromagnetismMohamed Karim Hamdani, Dušan Repovš, 2020, original scientific article Keywords: variable exponent, p(x)-curl system, Palais Smale compactness condition, Fountain theorem, Dual Fountain theorem, existence of solutions, multiplicity of solutions, electromagnetism Full text (file, 770,92 KB) |
112. Dynamics and oscillations of models for differential equations with delaysMohsen Miraoui, Dušan Repovš, 2020, original scientific article Keywords: dynamics, oscillation, periodic solution, time delay, stability, ergodicity, double measure, fixed point theorem, neural network Full text (file, 615,95 KB) |
113. Relaxation methods for optimal control problemsNikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: admissible relaxation, maximal monotone map, Young measure, convex conjugate, weak norm Full text (file, 376,34 KB) |
|
115. Anisotropic equations with indefinite potential and competing nonlinearitiesNikolaos 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) |
116. Multiplicity of solutions for a class of fractional p(x, [cdot])-Kirchhoff-type problems without the Ambrosetti-Rabinowitz conditionMohamed Karim Hamdani, Jiabin Zuo, Nguyen Thanh Chung, Dušan Repovš, 2020, original scientific article Keywords: fractional ▫$p(x, \cdot)$▫-Kirchhoff-type problems, ▫$p(x, \cdot)$▫-fractional Laplace operator, Ambrosetti-Rabinowitz type conditions, symmetric mountain pass theorem, Cerami compactness condition, fractional Sobolev spaces with variable exponent, multiplicity of solutions Full text (file, 483,22 KB) |
117. Robin double-phase problems with singular and superlinear termsNikolaos 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) |
118. Positive solutions for the Robin p-Laplacian plus an indefinite potentialNikolaos 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) |
119. Multiple solutions of double phase variational problems with variable exponentXiayang Shi, Vicenţiu Rǎdulescu, Dušan Repovš, Qihu Zhang, 2020, original scientific article Keywords: variable exponent elliptic operator, integral functionals, variable exponent Orlicz-Sobolev spaces, critical point Full text (file, 679,49 KB) |
120. Multiplicity and concentration results for a (p, q)-Laplacian problem in R[sup]NVincenzo Ambrosio, Dušan Repovš, 2021, original scientific article Keywords: (p, q)-Laplacian problem, positive solutions, variational methods, Ljusternik-Schnirelmann theory Full text (file, 780,53 KB) |