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In this paper, we mainly establish the existence and uniqueness theorem for solutions of the exterior Dirichlet problem for a class of fully nonlinear second-order elliptic equations related to the eigenvalues of the Hessian, with…

Analysis of PDEs · Mathematics 2020-05-08 Tangyu Jiang , Haigang Li , Xiaoliang Li

We investigate the homogeneous Dirichlet problem in uniformly convex domains for a large class of degenerate elliptic equations with singular zero order term. In particular we establish sharp existence and uniqueness results of positive…

Analysis of PDEs · Mathematics 2019-08-01 Isabeau Birindelli , Giulio Galise

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

Integral estimates for weak solutions to a class of Dirichlet problems for nonlinear, fully anisotropic, elliptic equations with a zero order term are obtained using symmetrization techniques.

Analysis of PDEs · Mathematics 2017-11-30 Angela Alberico , Giuseppina di Blasio , Filomena Feo

In this paper we study the Dirichlet problem for a scalar elliptic equation in a bounded Lipschitz domain $\Omega \subset \mathbb R^3$ with a singular drift of the form $b_0= b-\alpha \frac {x'}{|x'|^2}$ where $x'=(x_1,x_2,0)$, $\alpha \in…

Analysis of PDEs · Mathematics 2024-05-08 Misha Chernobai , Tim Shilkin

A system of quasilinear elliptic equations on an unbounded domain is considered. The existence of a sequence of radially symmetric weak solutions is proved via variational methods.

Analysis of PDEs · Mathematics 2020-06-11 M. A. Ragusa , A. Razani

Comparison results for solutions to the Dirichlet problems for a class of nonlinear, anisotropic parabolic equations are established. These results are obtained through a semi-discretization method in time after providing estimates for…

Analysis of PDEs · Mathematics 2016-07-26 Angela Alberico , Giuseppina di Blasio , Filomena Feo

The paper concerns singular solutions of nonlinear elliptic equations.

Analysis of PDEs · Mathematics 2009-04-21 Luis Caffarelli , YanYan Li , Louis Nirenberg

We study uniqueness of Dirichlet problems of second order divergence-form elliptic systems with transversally independent coefficients on the upper half-space in absence of regularity of solutions. To this end, we develop a substitute for…

Analysis of PDEs · Mathematics 2021-08-18 Pascal Auscher , Moritz Egert

We study a semilinear elliptic problem with a singular nonlinear term of the type $g(u)=-u^{-1}$, using a variational approach. Note that the minus sign is important since the corresponding term in the Euler-Lagrange functional is concave.…

Analysis of PDEs · Mathematics 2023-12-21 Claudio Saccon

The present article investigates the existence, multiplicity and regularity of weak solutions of problems involving a combination of critical Hartree type nonlinearity along with singular and discontinuous nonlinearity. By applying…

Analysis of PDEs · Mathematics 2023-09-15 Gurdev C. Anthal , Jacques Giacomoni , Konijeti Sreenadh

In this paper, we deal with anisotropic singular perturbations of some class of elliptic problem. We study the asymptotic behavior of the solution in certain second order pseudo Sobolev space.

Analysis of PDEs · Mathematics 2018-05-15 Ogabi Chokri

In this short note, we consider the Dirichlet problem associated to an even order elliptic system with antisymmetric first order potential. Given any continuous boundary data, we show that weak solutions are continuous up to boundary.

Analysis of PDEs · Mathematics 2023-01-03 Ming-Lun Liu , Yao-Lan Tian

We consider the Dirichlet problem for a class of elliptic and parabolic equations in the upper-half space $\mathbb{R}^d_+$, where the coefficients are the product of $x_d^\alpha, \alpha \in (-\infty, 1),$ and a bounded uniformly elliptic…

Analysis of PDEs · Mathematics 2020-09-18 Hongjie Dong , Tuoc Phan

We show an existence of a weak solution of a degenerate and/or singular semilinear elliptic boundary value (nonhomogeneous) problem lying between a given weak subsolution and a given weak supersolution. It has been applied for an existence…

Analysis of PDEs · Mathematics 2021-12-14 Raj Narayan Dhara

We propose in this paper to study the solutions of some nonlinear elliptic equations with singular potential.

Analysis of PDEs · Mathematics 2015-10-06 Anouar Ben Mabrouk

This article establishes the existence of weak solutions for a class of mixed local-nonlocal problems with pure and perturbed singular nonlinearities. A key novelty is the treatment of variable singular exponents alongside measure-valued…

Analysis of PDEs · Mathematics 2025-07-08 Sanjit Biswas , Prashanta Garain

In this paper, exploiting variational methods, the existence of three weak solutions for a class of elliptic equations involving a general operator in divergence form and with Dirichlet boundary condition is investigated. Several special…

Analysis of PDEs · Mathematics 2016-08-26 Giovanni Molica Bisci , Dušan Repovš

In this paper we consider the existence of positive solutions for a singular elliptic problem involving an asymtotically linear nonlinearity and depending on one positive parameter. Using variational methods, together with comparison…

Analysis of PDEs · Mathematics 2020-11-18 Ricardo Lima Alves

We establish the existence of weak solutions of coupled systems of elliptic partial differential equations with quasimonotone nonlinearities in the domain interior and on the boundary. When the nonlinearities satisfy some monotonicity…

Analysis of PDEs · Mathematics 2025-11-27 Shalmali Bandyopadhyay , Briceyda B. Delgado , Nsoki Mavinga , Maria Amarakristi Onydio