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math.AP2026

A short note about the spaces

Guillermo García-Sáez

In this short communication we answer negatively to a question posed by the authors in their work \cite[Section 1.4]{Brue2022} about the complex interpolation nature of the spaces…

math.AP2026

Nonlocal gradient, the nonlocal Laplacian and maximum principles

José Carlos Bellido, Guillermo García-Sáez, José Camilo Rueda-Niño

We study the nonlocal -Laplacian, defined as the composition of the nonlocal divergence and gradient operators associated with a general radial kernel : $Δ_ρu=\mbox{div}_ρ\le…

math.AP2026

A general theory of nonlocal elasticity based on nonlocal gradients and connections with Eringen's model

J. C. Bellido, G. García-Sáez

We develop a general theory of nonlocal linear elasticity based on nonlocal gradients with general radial kernels. Starting from a nonlocal hyperelastic energy functional, we perfo…

math.AP2026

Asymptotics of variational eigenvalues for a general nonlocal -Laplacian with varying horizon

Guillermo García-Sáez

From the recent developing of nonlocal gradients with finite horizon based on general kernels, we introduce a new nonlocal -Laplacian and study the eigenvalue problem asso…

math.AP2025

Fractional weighted Sobolev spaces associated to the Riesz fractional gradient

Guillermo García-Sáez

In this work, we introduce a new family of functions spaces, the weighted fractional Sobolev spaces , where is a weight in the Muckenhoupt class . This s…