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Related papers: On removable singularities for solutions of Neuman…

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We study the quantitative unique continuation on the boundary for solutions of elliptic equations with Neumann boundary conditions for bounded potentials and boundary potentials on compact manifolds with boundary. The boundary doubling…

Analysis of PDEs · Mathematics 2024-09-24 Jack Dalberg , Jiuyi Zhu

We study the problem of removable singularities for degenerate elliptic equations. Let F be a fully nonlinear second-order partial differential subequation of degenerate elliptic type on a manifold X. We study the question: Which closed…

Analysis of PDEs · Mathematics 2017-12-12 F. Reese Harvey , H. Blaine Lawson

In this paper, we investigate the existence of positive weak solutions to a nonlocal singular elliptic problem under Dirichlet boundary condition. Problem is settled in fractional Musielak-Sobolev spaces with variable order. The main tool…

Analysis of PDEs · Mathematics 2025-12-09 Azeddine Baalal , Mohamed Berghout , El-Houcine Ouali

In this article, we investigate the existence and uniqueness of a positive solution for a class of singular nonlinear elliptic problem with boundary condition. Our result holds in fractional Orlicz-Sobolev spaces.

Analysis of PDEs · Mathematics 2025-08-12 Abdelaaziz Sbai , Youssef El hadfi , Mounim El ouardy

Using some nonlinear domain decomposition method, we prove the existence of singular limits for solution of semilinear elliptic problems with exponential nonlinearity.

Classical Analysis and ODEs · Mathematics 2015-06-26 Sami Baraket , Makkia Dammak , Taieb Ouni , Frank Pacard

In this paper, we study fully nonlinear second-order elliptic and parabolic equations with Neumann boundary conditions on compact Riemannian manifolds with smooth boundary. We derive oscillation bounds for admissible solutions with Neumann…

Analysis of PDEs · Mathematics 2020-01-06 Sheng Guo

We give sufficient geometric conditions, not involving capacities, for a compact null set to be removable for the Sobolev functions on weighted $\mathbb R^n$, defined as the closure of smooth functions in the weighted Sobolev norm. Our…

Functional Analysis · Mathematics 2025-07-14 Behnam Esmayli , Riddhi Mishra

We construct positive weak solutions of a class of semilinear elliptic equation which vanish in suitable trace sense on the boundary of a given smooth bounded N-dimensional domain, but which are singular at prescribed isolated points of the…

Analysis of PDEs · Mathematics 2007-05-23 Manuel del Pino , Monica Musso , Frank Pacard

We consider a non-local boundary value problem for the Laplace equation in unbounded studding the weak and strong solvability of that problem in the framework of the weighted Sobolev space $W^{1,p}_\nu$, with a Muckenhoupt weight. We proved…

Analysis of PDEs · Mathematics 2025-12-10 Bilal T. Bilalov , Natavan P. Nasibova , Lubomira G. Softova , Salvatore Tramontano

The paper concerns singular solutions of nonlinear elliptic equations, which include removable singularities for viscosity solutions, a strengthening of the Hopf Lemma including parabolic equations, Strong maximum principle and Hopf Lemma…

Analysis of PDEs · Mathematics 2011-01-17 Luis Caffarelli , YanYan Li , Louis Nirenberg

We study a model elliptic pseudo-differential equation and simplest boundary value problems for a half-space and a special cone in Sobolev--Slobodetskii spaces which have different smoothness with respect to separate variables. Sufficient…

Analysis of PDEs · Mathematics 2023-02-21 Vladimir Vasilyev , Victor Polunin , Igor Shmal

We prove the existence and uniqueness of weak solution of a Neumann boundary problem for an elliptic partial differential equation (PDE for short) with a singular divergence term which can only be understood in a weak sense. A probabilistic…

Probability · Mathematics 2018-04-24 Xue Yang , Jing Zhang

We obtain conditions for the differentiability of weak solutions for a second-order uniformly elliptic equation in divergence form with a homogeneous co-normal boundary condition. The modulus of continuity for the coefficients is assumed to…

Analysis of PDEs · Mathematics 2016-02-18 Robert McOwen , Vladimir Maz'ya

We consider a variational problem with boundary singularity and Dirichlet condition. We give a blow-up analysis for sequences of solutions of an equation with exponential nonlinearity. Also, we derive a compactness criterion under some…

Analysis of PDEs · Mathematics 2018-10-26 Samy Skander Bahoura

In this paper we study removable singularities for solutions of the fractional heat equation in time varying domains. We introduce associated capacities and we study some of its metric and geometric properties.

Analysis of PDEs · Mathematics 2022-05-06 Joan Mateu , Laura Prat

In this work, we investigate the continuity of the free boundary in a class of elliptic problems, with Neuman boundary condition. The main idea is a change of variable that allows us to reduce the problem to the one studied in [14].

Analysis of PDEs · Mathematics 2019-01-04 Abdeslem Lyaghfouri , Abderachid Saadi

We study both divergence and non-divergence form parabolic and elliptic equations in the half space $\{x_d>0\}$ whose coefficients are the product of $x_d^\alpha$ and uniformly nondegenerate bounded measurable matrix-valued functions, where…

Analysis of PDEs · Mathematics 2020-07-10 Hongjie Dong , Tuoc Phan

We investigate a class of elliptic and parabolic partial differential equations driven by p(u) laplacian. This dependence necessitates the use of variable exponent Sobolev spaces specifically tailored to the anisotropic framework. For the…

Analysis of PDEs · Mathematics 2025-10-17 Kaushik Bal , Shilpa Gupta

We study a fractional $p$-Laplace equation involving a variable exponent singular nonlinearity in the framework of the Heisenberg group. We first establish the existence and regularity of weak solutions. In the case of a constant singular…

Analysis of PDEs · Mathematics 2025-08-28 Prashanta Garain

The theory of elliptic equations involving singular nonlinearities is well studied topic but the interaction of singular type nonlinearity with nonlocal nonlinearity in elliptic problems has not been investigated so far. In this article, we…

Analysis of PDEs · Mathematics 2020-02-10 Jacques Giacomoni , Divya Goel , K. Sreenadh