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In this paper we study the existence and multiplicity of weak solutions for the following asymmetric nonlinear Choquard problem on fractional Laplacian: \begin{equation*} \begin{array}{rl} (-\Delta)^s u &= \displaystyle-\lambda|u|^{q-2}u +…

Analysis of PDEs · Mathematics 2021-07-12 Sushmita Rawat , K. Sreenadh

In this article, we study the existence/multiplicity results for the following variable order nonlocal Choquard problem with variable exponents (-\Delta)_{p(\cdot)}^{s(\cdot)}u(x)&=\lambda|u(x)|^{\alpha(x)-2}u(x)+…

Analysis of PDEs · Mathematics 2019-07-08 Reshmi Biswas , Sweta Tiwari

In this paper, we investigate the following fractional Choquard type equation: \[ (- \Delta)_p^s\, u = \lambda\frac{|u|^{r-2}u}{|x|^\alpha}\,+\gamma \big(\int_\Omega \frac{|u|^q}{|x-y|^\mu}dy\big) |u|^{q-2}u \ \ \text{in } \Omega,\ \ u = 0…

Analysis of PDEs · Mathematics 2019-05-22 Yang Yang , Yuling Wang , Yong Wang

We study existence and multiplicity of nontrivial solutions of the following problem $$ \left\{ \begin{array}{rcll} -\Delta_p u+(-\Delta_p)^{s} u & = & \lambda|u|^{q-2}u+|u|^{p^{\ast}-2}u & \mbox{ in }\Omega,\\ u & = & 0 & \mbox{ on }…

Analysis of PDEs · Mathematics 2023-08-16 João Vitor da Silva , Alessio Fiscella , Victor A. Blanco Viloria

In this article, we study an elliptic problem of mixed order with both local and nonlocal aspects involving singular nonlinearity in combination with critical Hartree-type nonlinearity. Using variational methods together with the critical…

Analysis of PDEs · Mathematics 2023-10-12 G. C. Anthal , J. Giacomoni , K. Sreenadh

In this article, we prove the existence of solutions to a nonlinear nonlocal elliptic problem with a singualrity and a discontinuous critical nonlinearity which is given as follows. \begin{align} \begin{split}\label{main_prob}…

Analysis of PDEs · Mathematics 2021-08-04 Kamel Saoudi , Akasmika Panda , Debajyoti Choudhuri

In the present work we shall consider the existence and multiplicity of solutions for nonlocal elliptic singular problems where the nonlinearity is driven by two convolutions terms. More specifically, we shall consider the following…

Analysis of PDEs · Mathematics 2024-12-20 Edcarlos D. Silva , Marlos R. da Rocha , Jefferson S. Silva

Using variational methods, we establish the existence of infinitely many solutions to an elliptic problem driven by a Choquard term and a singular nonlinearity. We further show that if the problem has a positive solution, then it is bounded…

Analysis of PDEs · Mathematics 2023-05-09 Debajyoti Choudhuri , Dušan D. Repovš , Kamel Saoudi

We investigate the existence of normalized solutions for the following nonlinear fractional Choquard equation: $$ (-\Delta)^s u+V(\epsilon x)u=\lambda u+\left(I_\alpha *|u|^q\right)|u|^{q-2} u+\left(I_\alpha *|u|^p\right)|u|^{p-2} u, \quad…

Analysis of PDEs · Mathematics 2025-11-13 Yongpeng Chen , Zhipeng Yang , Jianjun Zhang

In this article, we study the existence/multiplicity results for the following variable order nonlocal Choquard problem with variable exponents \begin{equation*} \begin{array}{rl}…

Analysis of PDEs · Mathematics 2020-10-13 Reshmi Biswas , Sweta Tiwari

In this article, we study the following fractional Laplacian equation with critical growth and singular nonlinearity $$\quad (-\Delta)^s u = \lambda a(x) u^{-q} + u^{2^*_s-1}, \quad u>0 \; \text{in}\; \Omega,\quad u = 0 \; \mbox{in}\;…

Analysis of PDEs · Mathematics 2016-02-26 Tuhina Mukherjee , K. Sreenadh

The present article investigates the existence, multiplicity and regularity of weak solutions of problems involving a combination of critical Hartree type nonlinearity along with singular and discontinuous nonlinearity. By applying…

Analysis of PDEs · Mathematics 2023-09-15 Gurdev C. Anthal , Jacques Giacomoni , Konijeti Sreenadh

In this article, we study the Brezis-Nirenberg type problem of nonlinear Choquard equation involving a fractional Laplacian \[ (-\De)^s u = \left( \int_{\Om}\frac{|u|^{2^*_{\mu,s}}}{|x-y|^{\mu}}\mathrm{d}y \right)|u|^{2^*_{\mu,s}-2}u +\la u…

Analysis of PDEs · Mathematics 2017-11-09 Tuhina Mukherjee , K. Sreenadh

In this paper, we study the following singular problem, under mixed Dirichlet-Neumann boundary conditions, and involving the fractional Laplacian \begin{equation*} \label{1} \begin{cases} (-\Delta)^{s}u = \lambda u^{-q} + u^{2^*_s-1}, \quad…

Analysis of PDEs · Mathematics 2023-11-07 Tuhina Mukherjee , Patrizia Pucci , Lovelesh Sharma

We consider the following nonlocal Br\'ezis-Nirenberg type critical Choquard problem involving the Grushin operator \begin{equation*} \left\{ \begin{aligned} -\Delta_\gamma & u =\lambda u + \left(\displaystyle\int_\Omega…

Analysis of PDEs · Mathematics 2026-05-18 Suman Kanungo , Pawan Kumar Mishra , Giovanni Molica Bisci

We consider the following nonlinear Choquard equation with Dirichlet boundary condition $$-\Delta u =\left(\int_{\Omega}\frac{|u|^{2_{\mu}^{\ast}}}{|x-y|^{\mu}}dy\right)|u|^{2_{\mu}^{\ast}-2}u+\lambda…

Analysis of PDEs · Mathematics 2016-11-01 Fashun Gao , Minbo Yang

We will prove multiplicity results for the mixed local-nonlocal elliptic equation of the form \begin{eqnarray} \begin{split} -\Delta_pu+(-\Delta)_p^s u&=\frac{\lambda}{u^{\gamma}}+u^r \text { in } \Omega, \\u&>0 \text{ in } \Omega,\\u&=0…

Analysis of PDEs · Mathematics 2024-05-13 Kaushik Bal , Stuti Das

In this paper, we study the following singular nonlinear elliptic problem \begin{equation}\label{eq:1} \left\{ \begin{array}{ll} \displaystyle (-\Delta)^{\frac \alpha 2} u=\lambda |u|^{r-2}u+\mu\frac{|u|^{q-2}u}{|x|^{s}}\quad &{\rm in…

Analysis of PDEs · Mathematics 2015-03-03 Jianfu Yang , Xiaohui Yu

In this paper we study the normalized solutions of the following critical growth Choquard equation with mixed local and non-local operators: \begin{equation*} \begin{array}{rcl} -\Delta u +(-\Delta)^s u & = & \lambda u +\mu |u|^{p-2}u…

Analysis of PDEs · Mathematics 2025-10-02 Nidhi Nidhi , K. Sreenadh

We study the effect of lower order perturbations in the existence of positive solutions to the following critical elliptic problem involving the fractional Laplacian: (-\Delta)^{\alpha/2}u=\lambda u^q+u^{\frac{N+\alpha}{N-\alpha}}, \quad…

Analysis of PDEs · Mathematics 2011-07-21 B. Barrios , E. Colorado , A. de Pablo , U. Sánchez
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