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We deal with a class of fractional magnetic Schr\"odinger equations in the whole line with exponential critical growth. Under a local condition on the potential, we use penalization methods and Ljusternik-Schnirelmann category theory to…

Analysis of PDEs · Mathematics 2019-01-30 Vincenzo Ambrosio

This work is devoted to study the existence of infinitely many weak solutions to nonlocal equations involving a general integrodifferential operator of fractional type. These equations have a variational structure and we find a sequence of…

Analysis of PDEs · Mathematics 2013-12-16 Giovanni Molica Bisci

We study the existence of nontrivial solutions for a nonlinear fractional elliptic equation in presence of logarithmic and critical exponential nonlinearities. This problem extends [5] to fractional $N/s$-Laplacian equations with…

Analysis of PDEs · Mathematics 2021-05-25 Yuanyuan Zhang , Yang Yang

In this paper we consider a class of fractional Schr\"odinger equations with potentials vanishing at infinity. By using a minimization argument and a quantitative deformation Lemma, we prove the existence of a sign-changing solution.

Analysis of PDEs · Mathematics 2017-12-07 Vincenzo Ambrosio , Teresa Isernia

We consider some nonlinear fractional Schr\"odinger equations with magnetic field and involving continuous nonlinearities having subcritical, critical or supercritical growth. Under a local condition on the potential, we use minimax methods…

Analysis of PDEs · Mathematics 2019-03-26 Vincenzo Ambrosio

In this paper we establish, using variational methods combined with the Moser-Trudinger inequality, existence and multiplicity of weak solutions for a class of critical fractional elliptic equations with exponential growth without a…

Analysis of PDEs · Mathematics 2020-04-07 Hamilton Bueno , Eduardo Huerto Caqui , Olimpio Miyagaki

This work is devoted to the study of the existence of solutions to nonlocal equations involving the fractional Laplacian. These equations have a variational structure and we find a nontrivial solution for them using the Mountain Pass…

Analysis of PDEs · Mathematics 2016-08-30 Giovanni Molica Bisci , Dušan Repovš

We prove the existence of solutions for a class of quasilinear problems involving variable exponents and with nonlinearity having critical growth. The main tool used is the variational method, more precisely, Ekeland's Variational Principle…

Analysis of PDEs · Mathematics 2013-12-12 Claudianor O. Alves , Marcelo C. Ferreira

In this paper, we study the existence of three solutions for a Kirchhoff equation involving the nonlocal fractional p-Laplacian considering Sobolev and Hardy nonlinearities at subcritical and critical growths. The proof is based on Mountain…

Analysis of PDEs · Mathematics 2018-11-26 Rodrigo de Freitas Gabert , Rodrigo da Silva Rodrigues

By means of variational methods we establish existence and multiplicity of solutions for a class of nonlinear nonlocal problems involving the fractional p-Laplacian and a combined Sobolev and Hardy nonlinearity at subcritical and critical…

Analysis of PDEs · Mathematics 2018-02-19 Wenjing Chen , Sunra Mosconi , Marco Squassina

This work is devoted to the study of the existence of at least one weak solution to nonlocal equations involving a general integro-differential operator of fractional type. As a special case, we derive an existence theorem for the…

Analysis of PDEs · Mathematics 2020-04-22 Giovanni Molica Bisci , Dušan D. Repovš

The paper is devoted to the study of a singularly perturbed fractional Schr\"{o}dinger equations involving critical frequency and critical growth in the presence of a magnetic field. By using variational methods, we obtain the existence of…

Analysis of PDEs · Mathematics 2016-06-29 Zhang Binlin , Marco Squassina , Zhang Xia

In this paper, by using variational methods and critical point theory, we shall mainly study the existence of infinitely many solutions for the following fractional Schr\"odinger-Maxwell equations $$( -\Delta )^{\alpha} u+V(x)u+\phi…

Analysis of PDEs · Mathematics 2024-06-19 Zhongli Wei

In this paper we study the following class of fractional relativistic Schr\"odinger equations: \begin{equation*} \left\{ \begin{array}{ll} (-\Delta+m^{2})^{s}u + V(\varepsilon x) u= f(u) &\mbox{ in } \mathbb{R}^{N}, \\ u\in…

Analysis of PDEs · Mathematics 2023-03-24 Vincenzo Ambrosio

This paper studies the properties of solutions to a class of elliptic and parabolic problems involving the fractional Laplacian. By applying the mountain pass theorem, we prove the existence of bounded classical positive solutions in the…

Analysis of PDEs · Mathematics 2025-09-30 Haipeng Lu , Mei Yu

In the present work we briefly explain how to adapt techniques already used in fractional and $p$-fractional Laplacian cases to obtain the existence of a nontrivial solution at the mountain pass level and a nontrivial ground state solution,…

Analysis of PDEs · Mathematics 2021-07-20 Eduardo de Souza Böer , Olímpio Hiroshi Miyagaki

We propose a new variational approach to finding multiple critical points for strongly indefinite problems without assuming the weak upper semicontinuity on the variational functionals. By this approach, we obtain the existence of…

Functional Analysis · Mathematics 2024-04-04 Long-Jiang Gu , Huan-Song Zhou

In this paper we study a nonlocal critical growth elliptic problem driven by the fractional Laplacian in presence of jumping nonlinearities. In the main results of the paper we prove the existence of a nontrivial solution for the problem…

Analysis of PDEs · Mathematics 2026-03-12 Giovanni Molica Bisci , Kanishka Perera , Raffaella Servadei , Caterina Sportelli

We study a class of nonlinear non-autonomous nonlocal equations with subcritical and critical exponential nonlinearity. The involved potential can vanish at infinity.

Analysis of PDEs · Mathematics 2014-11-04 João Marcos do Ó , Olimpio H. Miyagaki , Marco Squassina

By means of non-smooth critical point theory we obtain existence of infinitely many weak solutions of the fractional Schr\"odinger equation with logarithmic nonlinearity. We also investigate the H\"older regularity of the weak solutions.

Analysis of PDEs · Mathematics 2014-12-02 Pietro d'Avenia , Marco Squassina , Marianna Zenari
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