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1. Ground state and nodal solutions for a class of double phase problems Nikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2020, original scientific article Keywords: double phase operator, weight function, superlinear reaction, Nehari manifold, ground state solution, nodal solution |
2. ▫$(p,2)$▫-equations asymmetric at both zero and infinity Nikolaos Papageorgiou, Vicenţiu Rǎdulescu, Dušan Repovš, 2018, original scientific article Keywords: asymmetric reaction, resonance, Fučik spectrum, constant sign solutions, nodal solution, critical groups, Morse relation |