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The theory of elliptic equations involving singular nonlinearities is well studied topic but the interaction of singular type nonlinearity with nonlocal nonlinearity in elliptic problems has not been investigated so far. In this article, we…

Analysis of PDEs · Mathematics 2020-02-10 Jacques Giacomoni , Divya Goel , K. Sreenadh

In the present work we obtain the existence and multiplicity of nontrivial solutions for the Choquard logarithmic equation $(-\Delta)_{p}^{s}u + |u|^{p-2}u + (\ln|\cdot|\ast |u|^{p})|u|^{p-2}u = f(u) \textrm{ \ in \ } \mathbb{R}^N $ , where…

Analysis of PDEs · Mathematics 2021-05-25 Eduardo de Souza Böer , Olímpio Hiroshi Miyagaki

In this paper, we consider the existence of multiple nodal solutions of the nonlinear Choquard equation \begin{equation*} \ \ \ \ (P)\ \ \ \ \begin{cases} -\Delta u+u=(|x|^{-1}\ast|u|^p)|u|^{p-2}u \ \ \ \text{in}\ \mathbb{R}^3, \ \ \ \ \\…

Analysis of PDEs · Mathematics 2017-04-17 Zhihua Huang , Jianfu Yang , Weilin Yu

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 work deals with the existence of at least two positive solutions for the class of quasilinear elliptic equations with cylindrical singularities and multiple critical nonlinearities that can be written in the form \begin{align*}…

Analysis of PDEs · Mathematics 2015-07-01 Ronaldo B. Assunção , Weler W. dos Santos , Olímpio H. Miyagaki

We investigate the existence and multiplicity of positive solutions to the problem \begin{equation} \begin{cases} \begin{aligned} - \Delta_{\gamma} u &= \lambda u^{p} + u^{-\delta} &\quad \text{in } \Omega, \quad u &= 0 &\quad \text{on }…

Analysis of PDEs · Mathematics 2026-05-05 Shammi Malhotra

In this paper, we are concerned with qualitative properties of multi-peak solutions of the following nonlinear Schr\"{o}dinger equations \begin{equation*} -\Delta u+V(x)u= u^{p-\varepsilon},\,\,\,u>0,\,\,\,\text{in}\,\,\,\mathbb{R}^N,…

Analysis of PDEs · Mathematics 2025-12-23 Zhongyuan Liu , Shuying Tian , Huafei Xie , Pingping Yang

We study a nonlinear Schr\"{o}dinger-Poisson system which reduces to the nonlinear and nonlocal equation \[- \Delta u+ u + \lambda^2 \left(\frac{1}{\omega|x|^{N-2}}\star \rho u^2\right) \rho(x) u = |u|^{q-1} u \quad x \in \mathbb R^N, \]…

Analysis of PDEs · Mathematics 2021-07-28 Tomas Dutko , Carlo Mercuri , Teresa Megan Tyler

We are interested in the existence of solutions for the following fractional $p(x,\cdot)$-Kirchhoff type problem $$ \left\{\begin{array}{ll} M \, \left(\displaystyle\int_{\Omega\times \Omega} \…

Analysis of PDEs · Mathematics 2020-09-17 M. K. Hamdani , J. Zuo , N. T. Chung , D. D. Repovš

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 prove the infinitely many solutions to a class of sublinear Kirchhoff type equations by using an extension of Clark's Theorem established by Zhaoli Liu and Zhi-Qiang Wang.

Analysis of PDEs · Mathematics 2014-10-28 Xiaojing Feng

This paper is concerned with the existence of sign-changing solutions to non local Kirchhoff type problems of the form \begin{equation}\label{s}\tag{S} -\Big(a+b\int_\Omega|\nabla u|^2dx\Big)\Delta u=f(x,u)\, \text{ in }\Omega,\quad\quad…

Analysis of PDEs · Mathematics 2016-03-08 Cyril Joel Batkam

In this work, we prove the existence and multiplicity of positive solutions for the following class of quasilinear elliptic equations $$ \left \{ \begin{array}{lll} -\epsilon^{N}\Delta_{N} u + \left(1+\mu A(x) \right)\left| u\right|^{N-2}u=…

Analysis of PDEs · Mathematics 2015-10-01 Claudianor O. Alves , Luciana R. de Freitas

We establish multiplicity results for the following class of quasilinear problems $$ \left\{ \begin{array}{l} -\Delta_{\Phi}u=f(x,u) \quad \mbox{in} \quad \Omega, \\ u=0 \quad \mbox{on} \quad \partial \Omega, \end{array} \right. \leqno{(P)}…

Analysis of PDEs · Mathematics 2021-07-02 Karima Ait-Mahiout , Claudianor O. Alves , Prashanta Garain

The following well-known Kirchhoff equation with the Sobolev critical exponent has been extensively studied, \begin{equation*} -\Big(a+b\int_{\mathbb R^N} | \nabla u|^2dx\Big) \Delta u+\lambda u=\mu |u|^{q-2}u+|u|^{2^*-2}u \ \ {\rm in}\ \…

Analysis of PDEs · Mathematics 2025-09-18 Ruikang Lu , Qilin Xie , Jianshe Yu

In the present work, we consider a fractional p-Kirchhoff equation in the entire space R^N featuring doubly nonlinearities, involving a generalized nonlocal Choquard subcritical term together with a local critical Sobolev term; the problem…

This paper deals with existence and multiplicity of positive solutions to the following class of nonlocal equations with critical nonlinearity: \begin{equation} \tag{$\mathcal E$} (-\Delta)^s u = a(x)…

Analysis of PDEs · Mathematics 2021-01-22 Mousomi Bhakta , Patrizia Pucci

This paper deals with the existence of multiple solutions for the quasilinear equation $-\mathrm{div}\,\mathbf{A}(x,\nabla u)| u| ^{\alpha (x)-2}u=f(x,u)$ in $ \mathbb{R} ^{N}$, which involves a general variable exponent elliptic operator…

Analysis of PDEs · Mathematics 2020-10-12 Xiayang Shi , Vicenţiu D. Rădulescu , Dušan D. Repovš , Qihu Zhang

This paper focuses on the critical Kirchhoff equation with concave perturbation \begin{align*} \begin{cases} \displaystyle -\Big(a+b\int_\Omega|\nabla u|^2dx\Big)\Delta u=|u|^4u+\lambda|u|^{q-2}u\ \ &\mbox{in}\ \Omega, \displaystyle u=0\ \…

Analysis of PDEs · Mathematics 2026-03-18 Zhi-Yun Tang , Gui-Dong Li , Yong-Yong Li

This paper is concerned with the following fractional Schr\"{o}dinger equations involving critical exponents: \begin{eqnarray*} (-\Delta)^{\alpha}u+V(x)u=k(x)f(u)+\lambda|u|^{2_{\alpha}^{*}-2}u\quad\quad \mbox{in}\ \mathbb{R}^{N},…

Analysis of PDEs · Mathematics 2017-01-10 Xia Zhang , Binlin Zhang , Dušan Repovš
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