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20092026
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math.AP2026

An eigenvalue problem for a nonlocal quasilinear anisotropic equation in fractional Orlicz Sobolev spaces without the --condition

Julian Fernandez Bonder, Martin Guzman, Juan F. Spedaletti

In this paper we analyze an eigenvalue problem associated to fractional operators of the form \[ L_a^s u(x)=2 \text{p.v.}\int_{\mathbb{R}^n}a(x,y,D^su(x,y))\,\frac{dy}{|x-y|^{n+s}}…

math.AP2026

An eigenvalue problem for a generalized polyharmonic operator in Orlicz-Sobolev spaces without the -condition

Ignacio Ceresa Dussel, Julián Fernández Bonder, Pablo Ochoa

In this paper, we consider a generalized polyharmonic eigenvalue problem of the form in a bounded smooth domain with Dirichlet boundary conditions in the setting of h…

math.AP2025

convergence of energy functionals in fractional Orlicz spaces beyond the condition

Ignacio Ceresa Dussel, Julián Fernández Bonder, Ariel Salort

Given a Young function , and we consider the energy functional $$ \mathcal{J}_s(u)=(1-s)\iint_{\mathbb{R}^n\times \mathbb{R}^n} A\left(\frac{|u(x)-u(y)|}{|…

math.AP2025

Fractional Lane-Emden Hamiltonian systems

Ignacio Ceresa Dussel, Julián Fernández Bonder, Nicolas Saintier +1

In this work, our interest lies in proving the existence of solutions to the following Fractional Lane-Emden Hamiltonian system: $$ \begin{cases} (-Δ)^s u = H_v(x,u,v) & \text{in }…

math.AP2024

Peridynamics and Anisotropic Fractional Sobolev Spaces with Variable Exponents

Sabri Bahrouni, Julian Fernandez Bonder, Ignacio Ceresa Dussel +1

In this paper, our primary objective is to develop the peridynamic fractional Sobolev space and establish novel BBM-type results associated with it. We also address the peridynamic…

math.AP2024

On the first eigenvalue of the generalized laplacian

Julian Fernandez Bonder, Ariel Salort

In this work we investigate the energy of minimizers of Rayleigh-type quotients of the form These minimizers are eigenfunc…