activity
20182026
most citedMultiplicity and Hölder regularity of solutions for a nonlocal elliptic PDE involving singularity

45 citations · 117 across the 15 of their papers we have counts for

collaborators

15 papers

math.AP2026

Neumann problem with a discontinuous nonlinearity

Debajyoti Choudhuri, Dušan D. Repovš, Kamel Saoudi

This study is devoted to proving the existence of weak solutions for a nonlinear elliptic problem with Neumann-type boundary data. The problem is driven by a discontinuous power no…

math.AP2024

Pairs of fixed points for a class of operators on Hilbert spaces

A. Mokhtari, K. Saoudi, D. D. Repovš

In this paper, existence of pairs of solutions is obtained for compact potential operators on Hilbert spaces. An application to a second-order boundary value problem is also given…

math.AP2024

Nodal solutions for Neumann systems with gradient dependence

Kamel Saoudi, Eadah Alzahrani, Dušan D. Repovš

We consider the following convective Neumann systems:\begin{equation*}\left(\mathrm{S}\right)\qquad\left\{\begin{array}{ll}-Δ_{p_1}u_1+\frac{|\nabla u_1|^{p_1}}{u_1+δ_1}=f_1(x,u_1,…

math.AP2023★ 2 cited

On elliptic problems with Choquard term and singular nonlinearity

Debajyoti Choudhuri, Dušan D. Repovš, Kamel Saoudi

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 tha…

math.AP2023★ 1 cited

Existence and location of nodal solutions for quasilinear convection-absorption Neumann problems

Abdelkrim Moussaoui, Kamel Saoudi

Existence of nodal (i.e., sign changing) solutions and constant sign solutions for quasilinear elliptic equations involving convection-absorption terms are presented. A location pr…

math.AP2022★ 9 cited

Nonlocal -Kirchhoff equations with singular and critical nonlinearity terms

A. Ghanmi, M. Kratou, K. Saoudi +1

The objective of this work is to investigate a nonlocal problem involving singular and critical nonlinearities:\begin{equation*}\left\{\begin{array}{ll} ([u]_{s,p}^p)^{σ-1}(-Δ)^s_p…

math.AP2021★ 11 cited

On weak solutions for fourth-order problems involving the Leray-Lions type operators

K. Kefi, D. D. Repovš, K. Saoudi

We investigate existence and multiplicity of weak solutions for fourth-order problems involving the Leray-Lions type operators in variable exponent spaces and improve a result of B…

math.AP2021★ 25 cited

The Nehari manifold approach for singular equations involving the p(x)-Laplace operator

Dušan D. Repovš, Kamel Saoudi

We study the following singular problem involving the p-Laplace operator , where is a nonconstant continuous function, \beg…

math.AP2021★ 16 cited

A singular elliptic problem involving fractional -Laplacian and a discontinuous critical nonlinearity

Kamel Saoudi, Akasmika Panda, Debajyoti Choudhuri

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…

math.AP2020

Elliptic problem in an exterior domain driven by a singularity with a nonlocal Neumann condition

D. Choudhuri, K. Saoudi

We prove the existence of ground state solution to the following problem. \begin{align*} (-Δ)^{s}u+u&=λ|u|^{-γ-1}u+P(x)|u|^{p-1}u,~\text{in}~\mathbb{R}^N\setminusΩ\\ N_su(x)&=0,~\t…

math.AP2020

A parabolic problem involving -Laplacian, a power and a singular nonlinearity

Akasmika Panda, Debajyoti Choudhuri, Kamel Saoudi

The purpose of this paper is to study nonlinear singular parabolic equations with - Laplacian. Precisely, we consider the following problem and discuss the existence of a non…

math.AP2020

Singular Fractional Choquard Equation with a Critical Nonlinearity and a Radon measure

Akasmika Panda, Debajyoti Choudhuri, Kamel Saoudi

This article concerns about the existence of a positive SOLA (Solutions Obtained as Limits of Approximations) for the following singular critical Choquard problem involving fractio…

math.AP2020

Existence and multiplicity of solutions to a Laplacian system with a concave and singular nonlinearities

Debajyoti Choudhuri, Kamel Saoudi, Kratou Mouna

In this paper we study the existence of multiple nontrivial positive weak solutions to the following system of problems. \begin{align*} \begin{split} -Δ_{p}u-Δ_q u &= λf(x)|u|^{r-2…

math.AP2019★ 8 cited

Least energy sign-changing solution of fractional -Laplacian problems involving singularities

Sekhar Ghosh, Kamel Saoudi, Mouna Kratou +1

In this paper we study the existence of a least energy sign-changing solution to a nonlocal elliptic PDE involving singularity by using the Nehari manifold method, the constraint v…

math.AP2018★ 45 cited

Multiplicity and Hölder regularity of solutions for a nonlocal elliptic PDE involving singularity

Kamel Saoudi, Sekhar Ghosh, Debajyoti Choudhuri

In this paper, we prove the existence of multiple solutions for a nonlinear nonlocal elliptic PDE involving a singularity which is given as \begin{eqnarray} (-Δ_p)^s u&=& \fracλ{u^…