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Related papers: Normalized solutions to the Chern-Simons-Schr\"{o}…

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In this paper, we consider the critical Choquard system with prescribed mass \begin{equation*} \begin{aligned} \left\{ \begin{array}{lll} -\Delta u+\lambda_1u=(I_\mu\ast |u|^{2^*_\mu})|u|^{2^*_\mu-2}u+\nu p(I_\mu\ast |v|^q)|u|^{p-2}u\ &…

Analysis of PDEs · Mathematics 2023-08-22 Hui Zhang , Jianjun Zhang , Xuexiu Zhong

The paper concerns the existence of normalized solutions to a large class of quasilinear problems, including the well-known Born-Infeld operator. In the mass subcritical cases, we study a global minimization problem and obtain a ground…

Analysis of PDEs · Mathematics 2023-12-27 Laura Baldelli , Jarosław Mederski , Alessio Pomponio

In this paper, by combing the variational methods and Trudinger-Moser inequality, we study the existence and multiplicity of the positive standing wave for the following Chern-Simons-Schr\"odinger equation \begin{equation} -\Delta u+u…

Analysis of PDEs · Mathematics 2016-07-26 Chao Ji , Fei Fangb

This paper is devoted to the magnetic nonlinear Schr\"{o}dinger equation \[ \Big(\frac{\varepsilon}{i}\nabla-A(x)\Big)^{2}u+V(x)u=f(| u|^{2})u \text{ in } \mathbb{R}^{2}, \] where $\varepsilon>0$ is a parameter, $V:\mathbb{R}^{2}\rightarrow…

Analysis of PDEs · Mathematics 2021-06-11 Pietro d'Avenia , Chao Ji

This paper concerns the existence of positive ground state solutions for generalized quasilinear Schr\"odinger equations in $\mathbb{R}^N$ with critical growth which arise from plasma physics, as well as high-power ultrashort laser in…

Analysis of PDEs · Mathematics 2023-03-21 Xin Meng , Shuguan Ji

For $N\ge 3$ and $2<p<N$, we find normalised solutions to the equation \begin{align*} -\Delta_p u+(1+V(x))|u|^{p-2}u+\lambda u&=|u|^{q-2}u\qquad\text{in $\mathbb{R}^N$}\\ \|u\|_2&=\rho \end{align*} in the mass supercritical and Sobolev…

Analysis of PDEs · Mathematics 2025-07-08 Raj Narayan Dhara , Matteo Rizzi

In this paper, we study the existence of multiple normalized solutions to the following dipolar Gross-Pitaveskii equation with a mass subcritical perturbation \begin{align*} \left\{ \begin{array}{lll} -\frac{1}{2}\Delta u+\mu…

Analysis of PDEs · Mathematics 2025-07-15 Yalin Shen , Yichen Zhang , Thin Van Nguyen

We investigate normalized solutions for doubly nonlinear Schr\"odinger equations on the real line with a defocusing standard nonlinearity and a focusing nonlinear point interaction of $\delta$-type at the origin. We provide a complete…

Analysis of PDEs · Mathematics 2026-04-21 Daniele Barbera , Filippo Boni , Simone Dovetta , Lorenzo Tentarelli

We investigate the existence, non-existence, and multiplicity of positive solutions to a class of quasilinear Schrodinger equations with a prescribed mass condition in higher dimensions. Using the dual approach, the equation is transformed…

Analysis of PDEs · Mathematics 2024-11-26 Ayesha Baig , Li Zhouxin

Normalized ground state solutions (NGSS) of Schrodinger equations (SE) have attracted the attention of many research groups during the last decades. This is essentially due to their relevance in many fields in physics and engineering, where…

Analysis of PDEs · Mathematics 2023-11-29 Hichem Hajaiej , Linjie Song

In this paper, we are concerned with the coupled nonlinear Schr\"{o}dinger system \begin{align*} \begin{cases} -\varepsilon^{2}\Delta u+a(x)u=\mu_{1}u^{3}+\beta v^{2}u \ \ \ \ \mbox{in}\ \mathbb{R}^{N},\\ -\varepsilon^{2}\Delta…

Analysis of PDEs · Mathematics 2023-05-02 Taiyong Chen , Yahui Jiang , Marco Squassina , Jianjun Zhang

In this paper, we study normalized ground state solutions for the following nonautonomous Choquard equation: $$-\Delta u-\lambda u=\left(\frac{1}{|x|^{\mu}}\ast A|u|^{p}\right)A|u|^{p-2}u,\quad \int_{\mathbb{R}^{N}}|u|^{2}dx=c,\quad u\in…

Analysis of PDEs · Mathematics 2023-02-13 Huxiao Luo , Lushun Wang

We prove the multiplicity and concentration of normalized solutions of critical biharmonic equations with combined nonlinearities in $\mathbb{R}^{N}$ \begin{equation*} \Delta^{2}u+V(\varepsilon x)u=\lambda u+\mu |u|^{q-2}u+|u|^{2^{**}-2}u…

Analysis of PDEs · Mathematics 2026-03-02 Yueqiang Song , Jiaying Ma , Dušan D. Repovš

In the present work we investigate the existence and multiplicity of nontrivial solutions for the Choquard Logarithmic equation $(-\Delta)^{\frac{1}{2}} u + au + \lambda (\ln|\cdot|\ast |u|^{2})u = f(u) \textrm{ in } \mathbb{R}$, for $ a>0…

Analysis of PDEs · Mathematics 2020-12-21 Eduardo de Souza Böer , Olímpio H. Miyagaki

We consider the system of coupled elliptic equations \[ \begin{cases} -\Delta u - \lambda_1 u = \mu_1 u^3+ \beta u v^2 \\ -\Delta v- \lambda_2 v = \mu_2 v^3 +\beta u^2 v \end{cases} \text{in $\mathbb{R}^3$}, \] and study the existence of…

Analysis of PDEs · Mathematics 2016-10-26 Thomas Bartsch , Louis Jeanjean , Nicola Soave

For a semi-linear Schr\"{o}dinger equation of Hartree type in three spatial dimensions, various approximations of singular, point-like perturbations are considered, in the form of potentials of very small range and very large magnitude,…

Analysis of PDEs · Mathematics 2024-02-02 N. Dugandžija , A. Michelangeli , I. Vojnović

We prove the existence of solutions \(u(t,x)\) of the Schr{\"o}dinger equation with a saturation nonlinear term \((u/|u|)\) having compact support, for each \(t>0,\) that expands with a growth law of the type \(C\sqrt{t}\). The primary tool…

Analysis of PDEs · Mathematics 2025-06-06 Pascal Bégout , Jesus Ildefonso Diaz

We prove global existence and stability of solution to the mass-critical stochastic nonlinear Schr\"odinger equation in $d=1$ at $L^2$ regularity. Our construction starts with the existence of solution to the truncated subcritical problem.…

Analysis of PDEs · Mathematics 2022-02-09 Chenjie Fan , Weijun Xu

We study the existence of positive solutions to the quasilinear elliptic problem -\epsilon \Delta u+V(x)u-\epsilon k(\Del(|u|^{2}))u=g(u), \quad u>0, x \in R^N, where g has superlinear growth at infinity without any restriction from above…

Analysis of PDEs · Mathematics 2007-05-23 Abbas Moameni

This paper is concerned with the following planar Schr\"{o}dinger-Poisson system \begin{equation*} \begin{cases} -\triangle{u}+V(x)u+\phi{(x)}|u|^{p-2}u=f(x,u),&\text{in $\mathbb{R}^{2}$}, \triangle{\phi}=|u|^{p},&\text{in…

Analysis of PDEs · Mathematics 2022-08-30 Ganglong Zhou
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