Nonlocal elliptic equations in bounded domains: a survey

X Ros-Oton - Publicacions matematiques, 2016 - JSTOR
In this paper we survey some results on the Dirichlet problem \left{_u=g^Lu=f_inR^n\Ω^inΩ\
right. for nonlocal operators of the form Lu\left(x\right)=PVR^n\left{u\left(x\right) …

Global Hölder regularity for the fractional -Laplacian

A Iannizzotto, SJN Mosconi, M Squassina - Revista Matemática …, 2016 - ems.press
By virtue of barrier arguments we prove Cα-regularity up to the boundary for the weak
solutions of a non-local, non-linear problem driven by the fractional p-Laplacian operator …

[BOOK][B] Integro-differential elliptic equations

X Fernández-Real, X Ros-Oton - 2024 - Springer
Progress in Mathematics is a series of books intended for professional mathematicians and
scientists, encompassing all areas of pure mathematics. This distinguished series, which …

[HTML][HTML] Regularity theory for general stable operators

X Ros-Oton, J Serra - Journal of Differential Equations, 2016 - Elsevier
We establish sharp regularity estimates for solutions to L u= f in Ω⊂ R n, L being the
generator of any stable and symmetric Lévy process. Such nonlocal operators L depend on …

Existence, uniqueness and asymptotic behaviour for fractional porous medium equations on bounded domains

M Bonforte, Y Sire, JL Vázquez - arxiv preprint arxiv:1404.6195, 2014 - arxiv.org
We consider nonlinear diffusive evolution equations posed on bounded space domains,
governed by fractional Laplace-type operators, and involving porous medium type …

Obstacle problems and free boundaries: an overview

X Ros-Oton - SeMA Journal, 2018 - Springer
Free boundary problems are those described by PDEs that exhibit a priori unknown (free)
interfaces or boundaries. These problems appear in physics, probability, biology, finance, or …

Local elliptic regularity for the Dirichlet fractional Laplacian

U Biccari, M Warma, E Zuazua - Advanced Nonlinear Studies, 2017 - degruyter.com
We prove the W loc 2⁢ s, p local elliptic regularity of weak solutions to the Dirichlet problem
associated with the fractional Laplacian on an arbitrary bounded open set of ℝ N. The key …

Fractional Orlicz-Sobolev embeddings

A Alberico, A Cianchi, L Pick, L Slavíková - Journal de Mathématiques …, 2021 - Elsevier
The optimal Orlicz target space is exhibited for embeddings of fractional-order Orlicz–
Sobolev spaces in R n. An improved embedding with an Orlicz–Lorentz target space, which …

[HTML][HTML] Regularity results and Harnack inequalities for minimizers and solutions of nonlocal problems: a unified approach via fractional De Giorgi classes

M Cozzi - Journal of Functional Analysis, 2017 - Elsevier
We study energy functionals obtained by adding a possibly discontinuous potential to an
interaction term modeled upon a Gagliardo-type fractional seminorm. We prove that …

Non-symmetric stable operators: regularity theory and integration by parts

S Dipierro, X Ros-Oton, J Serra, E Valdinoci - Advances in Mathematics, 2022 - Elsevier
We study solutions to L u= f in Ω⊂ R n, being L the generator of any, possibly non-
symmetric, stable Lévy process. On the one hand, we study the regularity of solutions to L u …