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20242026
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math.AP2026

Strong maximum principle for fully nonlinear nonlocal problems

Juan Pablo Cabeza, Gabrielle Nornberg, Disson dos Prazeres

In this paper, we study solvability and qualitative properties of nonnegative solutions for a sublinear nonlocal problem with fully nonlinear structure in the form $$ \mathcal{M}^{…

math.AP2025

Improved regularity for a nonlocal dead-core problem

Disson dos Prazeres, Rafayel Teymurazyan, José Miguel Urbano

We obtain improved regularity results for solutions to a nonlocal dead-core problem at branching points. Our approach, which does not rely on the maximum principle, introduces a ne…

math.AP2025

A two-phase quenching-type problem for the p-Laplacian

Julio C. Correa, Disson dos Prazeres

We study minimizers of non-differentiable functionals of the Alp-Phillips type with two-phases for the -Laplacian , focusing on the geometric and analytical properties of free b…

math.AP2024

Sharp and improved regularity estimates for weighted quasilinear elliptic equations of Laplacian type and applications

João Vitor da Silva, Disson dos Prazeres, Gleydson Ricarte +1

In this manuscript, we obtain sharp and improved regularity estimates for weak solutions of weighted quasilinear elliptic models of Hardy-Hénon-type, featuring an explicit regular…

math.AP2024

Optimal Regularity for Fully Nonlinear Nonlocal Equations with Unbounded Source Terms

Disson S. dos Prazeres, Makson S. Santos

We prove optimal regularity estimates for viscosity solutions to a class of fully nonlinear nonlocal equations with unbounded source terms. More precisely, depending on the integra…