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We prove the local boundedness and the local H\"older continuity of weak solutions to nonlocal equations with variable orders and exponents under sharp assumptions.

Analysis of PDEs · Mathematics 2021-08-24 Jihoon Ok

We investigate the De Giorgi-Nash-Moser theory for minimizers of mixed local and nonlocal functionals modeled after \[ v \mapsto…

Analysis of PDEs · Mathematics 2023-01-18 Sun-Sig Byun , Ho-Sik Lee , Kyeong Song

We study local regularity properties of local minimizer of scalar integral functionals with controlled $(p,q)$-growth in the two-dimensional plane. We establish Lipschitz continuity for local minimizer under the condition $1<p\leq q<\infty$…

Analysis of PDEs · Mathematics 2024-12-16 Mathias Schäffner

We prove local boundedness and H\"older continuity for weak solutions to nonlocal double phase problems concerning the following fractional energy functional \[ \int_{\mathbb{R}^n}\int_{\mathbb{R}^n} \frac{|v(x)-v(y)|^p}{|x-y|^{n+sp}} +…

Analysis of PDEs · Mathematics 2021-08-24 Sun-Sig Byun , Jihoon Ok , Kyeong Song

A regularity result for free-discontinuity energies defined on the space $SBV^{p(\cdot)}$ of special functions of bounded variation with variable exponent is proved, under the assumption of a log-H\"older continuity for the variable…

Analysis of PDEs · Mathematics 2023-05-08 Chiara Leone , Giovanni Scilla , Francesco Solombrino , Anna Verde

We establish the Lipschitz regularity of the a priori bounded local minimizers of integral functionals with non autonomous energy densities satisfying non standard growth conditions under a sharp bound on the gap between the growth and the…

Analysis of PDEs · Mathematics 2023-10-10 Michela Eleuteri , Antonia Passarelli di Napoli

We study the boundary regularity of local weak solutions to nonlinear parabolic systems of the form \begin{equation*} \partial_t u^i - \mathrm{div} \big( a(|Du|) Du^i \big)= f^i, \qquad i=1,\dots,N, \end{equation*} in a space-time cylinder…

Analysis of PDEs · Mathematics 2026-01-26 Michael Strunk

This article deals with the study of the following nonlinear doubly nonlocal equation: \begin{equation*} (-\Delta)^{s_1}_{p}u+\ba(-\Delta)^{s_2}_{q}u = \la a(x)|u|^{\delta-2}u+ b(x)|u|^{r-2} u,\; \text{ in }\; \Om, \; u=0 \text{ on }…

Analysis of PDEs · Mathematics 2019-02-04 Divya Goel , Deepak Kumar , K. Sreenadh

In this article, we deal with the global regularity of weak solutions to a class of problems involving the fractional $(p,q)$-Laplacian, denoted by $(-\Delta)^{s_1}_{p}+(-\Delta)^{s_2}_{q}$, for $s_2, s_1\in (0,1)$ and $1<p,q<\infty$. We…

Analysis of PDEs · Mathematics 2021-04-09 Jacques Giacomoni , Deepak Kumar , K. Sreenadh

In this article, we communicate with the glimpse of the proofs of global regularity results for weak solutions to a class of problems involving fractional $(p,q)$-Laplacian, denoted by $(-\Delta)^{s_1}_{p}+(-\Delta)^{s_2}_{q}$, for $s_2,…

Analysis of PDEs · Mathematics 2022-02-08 J. Giacomoni , D. Kumar , K. Sreenadh

We deal with a wide class of generalized nonlocal $p$-Laplace equations, so-called nonlocal $G$-Laplace equations, in the Heisenberg framework. Under natural hypotheses on the $N$-function $G$, we provide a unified approach to investigate…

Analysis of PDEs · Mathematics 2023-07-06 Yuzhou Fang , Chao Zhang

We consider surfaces which minimize a nonlocal perimeter functional and we discuss their interior regularity and rigidity properties, in a quantitative and qualitative way, and their (perhaps rather surprising) boundary behavior. We present…

Analysis of PDEs · Mathematics 2016-12-07 Serena Dipierro , Enrico Valdinoci

We consider local minimizers of the functional \[ \sum_{i=1}^N \int (|u_{x_i}|-\delta_i)^p_+\, dx+\int f\, u\, dx, \] where $\delta_1,\dots,\delta_N\ge 0$ and $(\,\cdot\,)_+$ stands for the positive part. Under suitable assumptions on $f$,…

Analysis of PDEs · Mathematics 2014-09-09 Pierre Bousquet , Lorenzo Brasco , Vesa Julin

In this article we study eigenvalues and minimizers of a fractional non-standard growth problem. We prove several properties on this quantities and their corresponding eigenfunctions.

Analysis of PDEs · Mathematics 2019-02-15 Ariel M. Salort

Minimizers of functionals of mixed local and nonlocal type are locally $C^{1,\beta}$-regular.

Analysis of PDEs · Mathematics 2022-05-03 Cristiana De Filippis , Giuseppe Mingione

We investigate the interior Sobolev regularity of weak solutions to the nonlocal $(1, p)$-Laplace equations in the superquadratic case $p\ge 2$. As a product, the explicit H\"{o}lder continuity estimates of weak solutions are derived. The…

Analysis of PDEs · Mathematics 2025-05-30 Dingding Li , Chao Zhang

In this paper we study the regularity of the local minima of integral functionals: in particular, not convexity (quasi-convexity, policonvexity or rank one convexity) hypothesis will be made on the density, neither structure hypothesis nor…

Optimization and Control · Mathematics 2023-02-07 Tiziano Granucci

In this paper we consider minimizers for nonlocal energy functionals generalizing elastic energies that are connected with the theory of peridynamics \cite{Silling2000} or nonlocal diffusion models \cite{Rossi}. We derive nonlocal versions…

Analysis of PDEs · Mathematics 2019-02-06 Mikil D. Foss , Petronela Radu , Cory Wright

We prove improved differentiability results for relaxed minimisers of vectorial convex functionals with $(p, q)$-growth, satisfying a H\"older-growth condition in $x$. We consider both Dirichlet and Neumann boundary data. In addition, we…

Analysis of PDEs · Mathematics 2023-12-04 Christopher Irving , Lukas Koch

In this paper we prove the local boundedness as well as the local Lipschitz continuity for solutions to a class of obstacle problems of the type $$\min\left\{\int_\Omega {F(x, Dz)}: z\in \mathcal{K}_{\psi}(\Omega)\right\}.$$ Here…

Analysis of PDEs · Mathematics 2023-05-25 Michele Caselli , Michela Eleuteri , Antonia Passarelli di Napoli