activity
20202025
most citedThe logarithmic Schrödinger operator and associated Dirichlet problems

2 citations · 7 across the 8 of their papers we have counts for

collaborators

9 papers

math.AP2025

Eigenvalues of nonlinear -fractional Laplace operators under nonlocal Neumann conditions

Pierre Aime Feulefack, Emmanuel Wend-Benedo Zongo

In this paper, we investigate on a bounded open set of with smooth boundary, an eigenvalue problem involving the sum of nonlocal operators $(-Δ)_p^{s_1}+ (-Δ)_q^{s_2…

math.AP2024

The principal eigenvalue of a mixed local and nonlocal operator with drift

Craig Cowan, Mohammad El Smaily, Pierre Aime Feulefack

We study the eigenvalue problem involving the mixed local-nonlocal operator ~ in a bounded domain where a Dirichlet condition is pose…

math.AP2024★ 2 cited

Existence and regularity results for a Neumann problem with mixed local and nonlocal diffusion

Craig Cowan, Mohammad El Smaily, Pierre Aime Feulefack

In this paper, we consider an elliptic problem driven by a mixed local-nonlocal operator with drift and subject to nonlocal Neumann condition. We prove the existence and uniqueness…

math.AP2024★ 2 cited

Bifurcation results and multiple solutions for the fractional -Laplace operators

Emmanuel Wend-Benedo Zongo, Pierre Aime Feulefack

We investigate a nonlinear nonlocal eigenvalue problem involving the sum of fractional -Laplace operators with ; $p,q\in(1,\inf…

math.AP2023

The fractional logarithmic Schrödinger operator: properties and functional spaces

Pierre Aime Feulefack

In this note, we deal with the fractional Logarithmic Schrödinger operator and the corresponding energy spaces for variational study. The fractional (relativist…

math.AP2021★ 2 cited

The logarithmic Schrödinger operator and associated Dirichlet problems

Pierre Aime Feulefack

In this note, we study the integrodifferential operator corresponding to the logarithmic symbol , which is a singular integral operator given by $$ (I…

math.AP2021

Nonlocal operators of small order

Pierre Aime Feulefack, Sven Jarohs

In this work we study nonlocal operators and corresponding spaces of order strictly below one and investigate interior regularity properties of weak solutions to the associated Poi…

math.AP2020★ 1 cited

Small order asymptotics of the Dirichlet eigenvalue problem for the fractional Laplacian

Pierre Aime Feulefack, Sven Jarohs, Tobias Weth

In this article, we study the asymptotics of Dirichlet eigenvalues and eigenfunctions of the fractional Laplacian in bounded open Lipschitz sets in the small order limit $…

math.AP2020

Morse index versus radial symmetry for fractional Dirichlet problems

Mouhamed Moustapha Fall, Pierre Aime Feulefack, Remi Yvant Temgoua +1

In this work, we provide an estimate of the Morse index of radially symmetric sign changing bounded weak solutions to the semilinear fractional Dirichlet problem $$ (-Δ)^su = f…