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Related papers: Multiple positive solutions for a Schr\"odinger-Po…

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We consider the existence of multiple positive solutions to the nonlinear Schr\"odinger systems sets on $H^1(\mathbb{R}^N) \times H^1(\mathbb{R}^N)$, \[ \left\{ \begin{aligned} -\Delta u_1 &= \lambda_1 u_1 + \mu_1 |u_1|^{p_1 -2}u_1 + \beta…

Analysis of PDEs · Mathematics 2018-05-09 Tianxiang Gou , Louis Jeanjean

In this paper we study the existence of positive normalized solutions of the following coupled Schr\"{o}dinger system: \begin{align} \left\{ \begin{aligned} & -\Delta u = \lambda_u u + \mu_1 u^3 + \beta uv^2, \quad x \in \Omega, \\ &…

Analysis of PDEs · Mathematics 2023-11-29 Linjie Song , Wenming Zou

We study a logarithmic fractional Schr\"odinger--Poisson system in \(\R^{3}\): \begin{equation*} \begin{cases} \varepsilon^{2\alpha}(-\Delta)^{\alpha}u+V(x)u+\phi u=u\log u^{2}+|u|^{p-2}u, & \text{in }\R^{3},\\…

Analysis of PDEs · Mathematics 2026-04-07 Jiao Luo , Zhipeng Yang

This paper deals with the existence of positive solution for the singular quasilinear Schr\"odinger equation $-\Delta u -\Delta (u^{2})u=h(x) u^{-\gamma} + f(x,u)~\mbox{in} ~ \Omega,$ where $\gamma > 1$, $\Omega \subset \mathbb{R}^{N},…

Analysis of PDEs · Mathematics 2020-11-03 Ricardo Lima Alves , Mariana Reis

In this paper we consider the following quasilinear Schr\"odinger-Poisson system $$ \left\{ \begin{array}[c]{ll} - \Delta u +u+\phi u = \lambda f(x,u)+|u|^{2^{*}-2}u &\ \mbox{in } \mathbb{R}^{3} \\ -\Delta \phi -\varepsilon^{4} \Delta_4…

Analysis of PDEs · Mathematics 2017-07-19 Giovany M. Figueiredo , Gaetano Siciliano

The paper deals with the equation $-\Delta u+a(x) u =|u|^{p-1}u $, $u \in H^1(\mathbb{R}^N)$, with $N\ge 2$, $p>1,\ p<{N+2\over N-2}$ if $N\ge 3$, $a\in L^{N/2}_{loc}(\mathbb{R}^N)$, $\inf a>0$, $\lim_{|x| \to \infty} a(x)= a_\infty$.…

Analysis of PDEs · Mathematics 2021-04-15 Riccardo Molle , Donato Passaseo

In this paper we are going to prove existence for positive solutions of the following Schr\"odinger-Maxwell system of singular elliptic equations: begin{equation} \left\{\begin{array}{l} u \in…

Analysis of PDEs · Mathematics 2024-10-29 Abdelaaziz Sbai , Youssef El hadfi , Mounim El Ouardy

This paper treats the existence of positive solutions of $-\Delta u + V(x) u = \lambda f(u)$ in $\mathbb{R}^N$. Here $N \geq 1$, $\lambda > 0$ is a parameter and $f(u)$ satisfies conditions only in a neighborhood of $u=0$. We shall show the…

Analysis of PDEs · Mathematics 2023-12-18 Shinji Adachi , Norihisa Ikoma , Tatsuya Watanabe

The aim of this paper is to establish multiple positive normalized solutions $(u,v,\lambda_1,\lambda_2)\in H^1(\mathbb{R}^N,\mathbb{R}^2)\times \mathbb{R}^2$ to the following coupled Schr\"odinger system involving Sobolev critical exponent:…

Analysis of PDEs · Mathematics 2026-04-28 Qing Guo , Qihan He , Wei Shuai , Xuexiu Zhong

In this paper, we investigate the existence of multiple solutions to the following multi-critical elliptic problem \begin{equation}\label{eq:0.1} \left\{\begin{aligned} -\Delta u & =\lambda |u|^{p-2}u…

Analysis of PDEs · Mathematics 2022-01-26 Fanqing Liu , Jianfu Yang , Xiaohui Yu

We prove existence and multiplicity results for the fractional Schroedinger--Poisson--Slater equation $(-\Delta)^s u + (I_\alpha * u^2)u = f(|x|,u)$ in $\mathbb{R}^N$, where $0<s<1$ and $\alpha \in (1,N)$. We seek solutions in a fractional…

Analysis of PDEs · Mathematics 2025-11-10 Elisandra Gloss , Carlo Mercuri , Kanishka Perera , Bruno Ribeiro

We prove the existence of a ground state positive solution of Schr\"odinger-Poisson systems in the plane of the form $$ -\Delta u + V(x)u + \frac{\gamma}{2\pi} \left(\log|\cdot| \ast u^2 \right)u = b |u|^{p-2}u \qquad\text{in}\…

Analysis of PDEs · Mathematics 2022-06-07 Riccardo Molle , Andrea Sardilli

We study the following problem \[ \begin{cases} -\Delta u = \lambda u + u^{2^*-2} v & \hbox{in} \Omega,\\ -\Delta v= \mu v^{2^*-1} + u^{2^*-1} & \hbox{in} \Omega,\\ u> 0,v> 0 & \hbox{in} \Omega,\\ u=v=0 & \hbox{on} \partial \Omega,…

Analysis of PDEs · Mathematics 2014-07-22 Pietro d'Avenia , Jarosław Mederski

The present study is concerned with the following Schr\"{o}dinger-Poisson system involving critical nonlocal term with general nonlinearity: $$ \left\{ \begin{array}{ll} -\Delta u+V(x)u- \phi |u|^3u= f(u), & x\in\mathbb{R}^3, -\Delta \phi=…

Analysis of PDEs · Mathematics 2017-03-20 Liejun Shen , Xiaohua Yao

We consider the following Schr\"odinger-Bopp-Podolsky system with critical and sublinear terms \begin{equation*} \begin{cases} - \Delta u+ u+Q(x)\phi u= \vert u\vert^4 u+ \lambda K(x)\vert u \vert^{p-1}u&\mbox{ in }\ \mathbb{R}^3 \smallskip…

Analysis of PDEs · Mathematics 2025-07-28 Heydy M. Santos Damian , Gaetano Siciliano

In this paper, we prove a multiplicity result of solutions for the following stationary Schr\"odinger-Poisson-Slater equations \begin{equation}\label{eq-abstract} -\Delta u - \lambda u + (\left | x \right |^{-1}\ast \left | u \right |^2) u…

Analysis of PDEs · Mathematics 2013-10-28 Tingjian Luo

This paper studies the existence of positive normalized solutions to the singular elliptic equation \[ -\Delta u + \lambda u = u^{-r} + u^{p-1} \quad \text{in } \Omega, \] with the Dirichlet boundary condition $u=0$ on $\partial\Omega$ and…

Analysis of PDEs · Mathematics 2026-01-29 Siyu Chen , Xiaojun Chang , Jiazheng Zhou

In this paper, we study the Schr\"odinger-Poisson system $$ \left \{ \begin{array}{l} -\Delta u=\sqrt{p}u^{p-1}v, \quad u>0 \quad in \quad R^n, -\Delta v=\sqrt{p}u^p, \quad v>0 \quad in \quad R^n \end{array} \right. $$ with $n \geq 3$ and…

Analysis of PDEs · Mathematics 2014-11-07 Yutian Lei

In this paper, we study a class of quasilinear Schr\"{o}dinger equation of the form $$-\varepsilon^2\Delta u+V(x)u-\varepsilon^2(\Delta(|u|^{2\alpha}))|u|^{2\alpha-2}u &=&\lambda|u|^{q-2}u+|u|^{2^*(2\alpha)-2}u,\quad\mbox{in}{\mathbb{R}}^N,…

Analysis of PDEs · Mathematics 2013-06-21 Zhouxin Li , Yimin Zhang

The multiplicity of positive weak solutions for a quasilinear Schr\"{o}dinger equations $-L_p u +(\lambda A(x)+1)|u|^{p-2}u= h(u)$ in $\mathbb{R}^N$ is established, where $L_p u\doteq \epsilon^{p}\Delta_p u +\epsilon^{p}\Delta_p (u^2)u$,…

Analysis of PDEs · Mathematics 2013-04-22 Claudianor O. Alves , Giovany M. Figueiredo