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In this paper, we analyze an eigenvalue problem for quasi-linear elliptic operators involving homogeneous Dirichlet boundary conditions in a open smooth bounded domain. We show that the eigenfunctions corresponding to the eigenvalues belong…

Analysis of PDEs · Mathematics 2021-07-29 Emmanuel Wend Benedo Zongo , Bernhard Ruf

We consider a Kirchhoff problem of Brezis-Nirenberg type in a smooth bounded domain of $\mathbb{R}^4$ with Dirichlet boundary conditions. Our approach, novel in this framework and based upon approximation arguments, allows us to cope with…

Analysis of PDEs · Mathematics 2024-05-28 Giovanni Anello , Luca Vilasi

We study the existence and multiplicity of positive solutions for a family of fractional Kirchhoff equations with critical nonlinearity of the form \begin{equation*}…

Analysis of PDEs · Mathematics 2017-12-21 P. K. Mishra , J. M. do Ó , X. He

In this paper, we study certain critical Schr\"{o}dinger-Kirchhoff type systems involving the fractional $p$-Laplace operator on a bounded domain. More precisely, using the properties of the associated functional energy on the Nehari…

Analysis of PDEs · Mathematics 2023-06-16 S. Fareh , K. Akrout , A. Ghanmi , D. D. Repovš

We study in this work the existence of minimizing solutions to the critical-power type equation $\triangle_{\textbf{g}}u+h.u=f .u^{\frac{n+2}{n-2}} $ on a compact riemannian manifold in the limit case normally not solved by variational…

Differential Geometry · Mathematics 2010-10-05 Stephane Collion

This work presents a methodology for reconstructing the spatial distribution of the neutron flux in a nuclear reactor, leveraging real-time measurements obtained from ex-core detectors. The Kirchhoff-Helmholtz (K-H) equation inherently…

Numerical Analysis · Mathematics 2025-05-20 Roberto Ponciroli

We study the ground states of the following generalization of the Kirchhoff-Love functional, $$J_\sigma(u)=\int_\Omega\dfrac{(\Delta u)^2}{2} - (1-\sigma)\int_\Omega det(\nabla^2u)-\int_\Omega F(x,u),$$ where $\Omega$ is a bounded convex…

Analysis of PDEs · Mathematics 2017-06-14 Giulio Romani

Motivated by recent interest on Kirchhoff-type equations, in this short note we utilize a classical, yet very powerful, tool of nonlinear functional analysis in order to investigate the existence of positive eigenvalues of systems of…

Analysis of PDEs · Mathematics 2021-02-09 Gennaro Infante

We consider the following nonlinear elliptic system of Hamiltonian type with critical exponents: \begin{equation*} \begin{cases} -\Delta u + V(|y'|,y'')\, u = |v|^{p-1}v, & \text{in } \mathbb{R}^N,\newline -\Delta v + V(|y'|,y'')\, v =…

Analysis of PDEs · Mathematics 2025-11-26 Yuxia Guo , Congzheng Xuanyuan , Tingfeng Yuan

In this paper, we consider a class of quasilinear stationary Kirchhoff type potential systems with Neumann Boundary conditions, which involves a general variable exponent elliptic operator with critical growth. Under some suitable…

Analysis of PDEs · Mathematics 2022-03-24 Nabil Chems Eddine , Maria Alessandra Ragusa

By using the well-known mountain pass theorem and Ekeland's variational principle, we prove that there exist at least two fully-non-trivial solutions for a $(p,q)$-Kirchhoff elliptic system with the Dirichlet boundary conditions and…

Analysis of PDEs · Mathematics 2025-01-06 Zhangyi Yu , Junping Xie , Xingyong Zhang

In this paper, we show the existence and multiplicity of positive solutions of the following fractional Kirchhoff system\\ \begin{equation} \left\{ \begin{array}{rllll} \mc L_M(u)&=\lambda f(x)|u|^{q-2}u+…

Analysis of PDEs · Mathematics 2018-07-31 J. M. do Ó , J. Giacomoni , P. K. Mishra

Relative equilibria of Lagrangian and Hamiltonian systems with symmetry are critical points of appropriate scalar functions parametrized by the Lie algebra (or its dual) of the symmetry group. Setting aside the structures - symplectic,…

Dynamical Systems · Mathematics 2013-05-20 Debra Lewis

This article presents a comprehensive study of \textit{Kirchhoff-type Critical Elliptic Equations} involving $p$-sub-Laplacian Operators on the \textit{Heisenberg Group} $\mathcal{H}_{n}$. It delves into the mathematical framework of…

General Mathematics · Mathematics 2023-12-06 Subham De

We establish the existence of a positive ground state solution for a Kirchhoff problem in $\mathbb{R}^2$ involving critical exponential growth, that is, the nonlinearity behaves like $\exp(\alpha_{0}s^{2})$ as $|s| \to \infty$, for some…

Analysis of PDEs · Mathematics 2013-05-14 Giovany M. Figueiredo , Uberlandio B. Severo

We are concerned with the following Kirchhoff type equation $$-\varepsilon^2 M \left(\varepsilon^{2-N} \int_{\mathbb{R}^N} | \nabla u|^2\, \mathrm{d} x\right) \Delta u+V(x)u = f(u),\ x \in \mathbb{R}^N,\ \ N\ge2, $$ where $M \in…

Analysis of PDEs · Mathematics 2017-03-16 Jianjun Zhang , David G. Costa , João Marcos Do Ó

This paper investigates the Dirichlet problem for a non-divergence form elliptic operator $L$ in a bounded domain of $\mathbb{R}^2$. Assuming that the principal coefficients satisfy the Dini mean oscillation condition, we establish the…

Analysis of PDEs · Mathematics 2025-05-02 Hongjie Dong , Dong-ha Kim , Seick Kim

In this paper, we mainly investigate the set of critical points associated to solutions of mean curvature equation with zero Dirichlet boundary condition in a strictly convex domain and a nonconvex domain respectively. Firstly, we deduce…

Analysis of PDEs · Mathematics 2017-12-25 Haiyun Deng , Hairong Liu , Long Tian

Consider a nonlinear Kirchhoff type equation as follows \begin{equation*} \left\{ \begin{array}{ll} -\left( a\int_{\mathbb{R}^{N}}|\nabla u|^{2}dx+b\right) \Delta u+u=f(x)\left\vert u\right\vert ^{p-2}u & \text{ in }\mathbb{R}^{N}, \\ u\in…

Analysis of PDEs · Mathematics 2019-08-06 Juntao Sun , Tsung-Fang Wu

This article is concerned with the study of existence and properties of stationary solutions for the dynamics of $N$ point vortices in an idealised fluid constrained to a bounded two--dimen\-sional domain $\Omega$, which is governed by a…

Dynamical Systems · Mathematics 2015-02-24 Christian Kuhl