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On the Schrodinger-Poisson system with inde nite potential and 3-sublinear nonlinearit

On the Schrodinger-Poisson system with inde nite potential and 3-sublinear nonlinearit Shibo Liua,1, Sunra Mosconib,2, aSchool of Mathematical Sciences, Xiamen University, Xiamen 361005, China bDipartimento di Matematica e Informatica, Universita di Catania, Viale A. Doria 6, 95125 Catania, Italy

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Multiple nodal solutions to a Robin problem with sign-changing potential and locally defined reaction

Multiple nodal solutions to a Robin problem with sign-changing potential and locally defined reaction Umberto Guarnotta, Salvatore A. Marano Dipartimento di Matematica e Informatica, Universita degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy E-mail: umberto.guarnotta@gmail.com, marano@dmi.unict.it Nikolaos S. Papageorgiou Department of Mathematics, National Technical University of Athens, Zografou Campus, 15780 Athens, Greece

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On a singular Robin problem with convection terms

On a singular Robin problem with convection terms Umberto Guarnotta, Salvatore A. Marano Dipartimento di Matematica e Informatica, Universita degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy E-mail: umberto.guarnotta@phd.unict.it, marano@dmi.unict.it Dumitru Motreanu Departement de Mathematiques, Universite de Perpignan, 66860 Perpignan, France E-mail: motreanu@univ-perp.fr

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