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In this paper, we analyze an eigenvalue problem for nonlinear elliptic operators involving homogeneous Dirichlet boundary conditions in a open smooth bounded domain. We prove bifurcation results from trivial solutions and from infinity for…

Analysis of PDEs · Mathematics 2022-10-20 Emmanuel Wend-Benedo Zongo , Bernhard Ruf

In this paper we establish the optimal interior regularity and the $C^{1,\gamma}$ smoothness of the regular part of the free boundary in the thin obstacle problem for a class of degenerate elliptic equations with variable coefficients.

Analysis of PDEs · Mathematics 2021-07-01 Agnid Banerjee , Federico Buseghin , Nicola Garofalo

In this paper, Dirac operator with some integral type nonlocal boundary conditions is studied. We show that the coefficients of the problem can be uniquely determined by a dense set of nodal points. Moreover, we give an algorithm for the…

Classical Analysis and ODEs · Mathematics 2022-08-04 A. Sinan Ozkan , İbrahim Adalar

It is established $L^{p}$ estimates for the fractional $\Phi$-Laplacian operator defined in bounded domains where the nonlinearity is subcritical or critical in a suitable sense. Furthermore, using some fine estimates together with the…

Analysis of PDEs · Mathematics 2021-11-11 M. L. Carvalho , E. D. Silva , J. C. de Albuquerque , S. Bahrouni

In this paper, we consider the existence of solutions of the following nonhomogeneous fractional $p(x,.)$-Laplacian Dirichlet problem: \begin{equation*} \left\{\begin{aligned} \Big(-\Delta_{p(x,.)}\Big)^s u (x)&=f(x, u) &\text { in }&…

Analysis of PDEs · Mathematics 2024-06-27 Achraf El wazna , Azeddine Baalal

For the obstacle problem involving a convex fully nonlinear elliptic operator, we show that the singular set in the free boundary stratifies. The top stratum is locally covered by a $C^{1,\alpha}$-manifold, and the lower strata are covered…

Analysis of PDEs · Mathematics 2020-03-16 Ovidiu Savin , Hui Yu

The main result established in this paper is the existence and uniqueness of strong solutions to the obstacle problem for a class of subelliptic operators in non-divergence form. The operators considered are structured on a set of smooth…

Analysis of PDEs · Mathematics 2013-07-17 Marie Frentz , Heather Griffin

The obstacle problem is a class of free boundary problems which finds applications in many disciplines such as porous media, financial mathematics and optimal control. In this paper, we propose two operator-splitting methods to solve the…

Numerical Analysis · Mathematics 2023-02-08 Hao Liu , Dong Wang

This paper concerns with the study of the asymptotic behavior of the solutions to a family of fractional type problems on a bounded domain, satisfying homogeneous Dirichlet boundary conditions. The family of differential operators includes…

Analysis of PDEs · Mathematics 2018-07-05 Julián Fernández Bonder , Mayte Pérez-Llanos , Ariel M. Salort

We develop some properties of the $p-$Neumann derivative for the fractional $p-$Laplacian in bounded domains with general $p>1$. In particular, we prove the existence of a diverging sequence of eigenvalues and we introduce the evolution…

Analysis of PDEs · Mathematics 2019-04-24 Dimitri Mugnai , Edoardo Proietti Lippi

We study a general class of discrete $p$-Laplace operators in the random conductance model with long-range jumps and ergodic weights. Using a variational formulation of the problem, we show that under the assumption of bounded first moments…

Analysis of PDEs · Mathematics 2019-04-16 Franziska Flegel , Martin Heida

This work tackles an inverse boundary value problem for a $p$-Laplace type partial differential equation parametrized by a smoothening parameter $\tau \geq 0$. The aim is to numerically test reconstructing a conductivity type coefficient in…

Numerical Analysis · Mathematics 2018-03-29 Antti Hannukainen , Nuutti Hyvönen , Lauri Mustonen

Local H\"older regularity is established for certain weak solutions to a class of parabolic fractional $p$-Laplace equations with merely measurable kernels. The proof uses DeGiorgi's iteration and refines DiBenedetto's intrinsic scaling…

Analysis of PDEs · Mathematics 2022-05-23 Naian Liao

We consider the following doubly nonlocal nonlinear logistic problem driven by the fractional $p$-Laplacian \begin{equation*} \pl u = f(x,u) -\cq ~\text{in}~ \O, ~u=0 ~\text{in}~ \Rn\setminus\O. \end{equation*} Here $ \O \subset \Rn…

Analysis of PDEs · Mathematics 2023-10-09 G. C. Anthal , J. Giacomoni , K. Sreenadh

We study the obstacle problem for parabolic operators of the type $\partial_t + L$, where $L$ is an elliptic integro-differential operator of order $2s$, such as $(-\Delta)^s$, in the supercritical regime $s \in (0,{1/2})$. The best result…

Analysis of PDEs · Mathematics 2023-07-11 Xavier Ros-Oton , Clara Torres-Latorre

In this paper we study the obstacle problems for the Navier (spectral) fractional Laplacian $\left(-\Delta_\Omega\right)^{\!s}$ of order $s\in(0,1)$, in a bounded domain $\Omega\subset\mathbb R^n$.

Analysis of PDEs · Mathematics 2017-05-24 Roberta Musina , Alexander I. Nazarov

In this work we consider an inhomogeneous two-phase obstacle-type problem driven by the fractional Laplacian. In particular, making use of the Caffarelli-Silvestre extension, Almgren and Monneau type monotonicity formulas and blow-up…

Analysis of PDEs · Mathematics 2022-01-26 Donatella Danielli , Roberto Ognibene

In this paper, we study equations driven by a non-local integrodifferential operator $\mathcal{L}_K$ with homogeneous Dirichlet boundary conditions. More precisely, we study the problem \[ \begin{aligned} &- \mathcal{L}_K u + V(x)u =…

Analysis of PDEs · Mathematics 2014-07-18 C. Grumiau , M. Squassina , C. Troestler

In this paper we consider an obstacle problem for a generalization of the p-elastic energy among graphical curves with fixed ends. Taking into account that the Euler--Lagrange equation has a degeneracy, we address the question whether…

Analysis of PDEs · Mathematics 2024-05-22 Anna Dall'Acqua , Marius Müller , Shinya Okabe , Kensuke Yoshizawa

Integral operators play an important role modeling various physical and biological processes. In this article we consider such a nonlinear integro-differential equation. We study several properties of equilibrium solutions of the operator…

Analysis of PDEs · Mathematics 2015-05-28 Ali Alshomrani , Samir Kumar Bhowmik