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Related papers: On singular Abreu equations in higher dimensions

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We investigate the qualitative properties of the weak solutions to the boundary value problems for the hyperbolic fourth-order linear equations with constant coefficients in the plane bounded domain convex with respect to characteristics.…

Analysis of PDEs · Mathematics 2023-09-14 K. Buryachenko

In this work two-point boundary value problem for one class of second order ordinary differential equations with variable coefficients is solved.

General Mathematics · Mathematics 2014-07-03 Aliaskar Tungatarov , S. A. Abdymanapov , D. K. Akhmed-Zaki

We study a class of second-order boundary-degenerate elliptic equations in two dimensions with minimal regularity assumptions. We prove a maximum principle and a Harnack inequality at the degenerate boundary, and assuming local boundedness,…

Analysis of PDEs · Mathematics 2019-12-17 Brian Weber

H\"older estimates for second derivatives are proved for solutions of fully nonlinear parabolic equations in two space variables. Related techniques extend the regularity theory for fully nonlinear parabolic equations in higher dimensions.

Analysis of PDEs · Mathematics 2007-05-23 Ben Andrews

This paper studies an initial boundary value problem for a class of nonlinear Dirac equations with cubic terms and moving boundary. For the initial data with bounded $L^2$ norm and the suitable boundary conditions, the global existence and…

Analysis of PDEs · Mathematics 2019-03-06 Yongqian Zhang , Qin Zhao

We obtain some rigidity results for overdetermined boundary value problems for singular solutions in bounded domains.

Analysis of PDEs · Mathematics 2024-02-21 Francesco Esposito , Berardino Sciunzi , Nicola Soave

We characterize the behavior of the solutions of linear evolution partial differential equations on the half line in the presence of discontinuous initial conditions or discontinuous boundary conditions, as well as the behavior of the…

Analysis of PDEs · Mathematics 2017-07-26 Gino Biondini , Thomas Trogdon

We examine the regularity of the extremal solution of the nonlinear eigenvalue problem $\Delta^2 u = \lambda f(u)$ on a general bounded domain $\Omega$ in $ \IR^N$, with the Navier boundary condition $ u=\Delta u =0 $ on $ \pOm$. Here $…

Analysis of PDEs · Mathematics 2010-03-22 Craig Cowan , Pierpaolo Esposito , Nassif Ghoussoub

The existence of numerical solutions to a fourth order singular boundary value problem arising in the theory of epitaxial growth is studied. An iterative numerical method is applied on a second order nonlinear singular boundary value…

Numerical Analysis · Mathematics 2020-02-12 Amit Kumar Verma , Biswajit Pandit , Carlos Escudero

In the present study we consider an example of a boundary value problem for a simple second order ordinary differential equation, which may exhibit a boundary layer phenomenon. We show that usual central finite differences, which are second…

Numerical Analysis · Mathematics 2020-02-20 Gayaz Khakimzyanov , Denys Dutykh

The paper develops a continiuty method for solutions of the Abreu equation, which include extremal metrics on toric surfaces. Results are obtained, assuming a hypothesis (the "M-condition") on the solutions.

Differential Geometry · Mathematics 2007-05-23 S. K. Donaldson

Boundary value problems for linear stationary dispersive equations of order $2l+1$, $l\in \mathbb{N}$ have been considered on finite intervals $(0,L)$. The existence and uniqueness of regular solutions have been established for general…

Analysis of PDEs · Mathematics 2019-10-10 Jackson Luchesi , Nikolai A. Larkin

An introductory review of algebraic classification of the Weyl tensor and algebraically special solutions in higher dimensions.

General Relativity and Quantum Cosmology · Physics 2012-03-13 Harvey S. Reall

In this paper we study some boundary value problems for a fractional analogue of second order elliptic equation with an involution perturbation in a rectangular domain. Theorems on existence and uniqueness of a solution of the considered…

Analysis of PDEs · Mathematics 2018-02-06 Mokhtar Kirane , Batirkhan K. Turmetov , Berikbol T. Torebek

The problem of construction of the boundary conditions for nonlinear equations is considered compatible with their higher symmetries. Boundary conditions for the sine-Gordon, Jiber-Shabat and KdV equations are discussed. New examples are…

solv-int · Physics 2015-06-26 I. T. Habibullin

In this paper we consider a fully third order nonlinear boundary value problem which is of great interest of many researchers. First we establish the existence, uniqueness of solution. Next, we propose simple iterative methods on both…

Numerical Analysis · Mathematics 2020-04-24 Dang Quang A , Dang Quang Long

In this paper, we establish the second order estimates of solutions to the first initial-boundary value problem for general Hessian type fully nonlinear parabolic equations on Riemannian manifolds. The techniques used in this article can…

Analysis of PDEs · Mathematics 2015-02-14 Heming Jiao

We study the periodic boundary value problem associated with the second order nonlinear equation \begin{equation*} u'' + ( \lambda a^{+}(t) - \mu a^{-}(t) ) g(u) = 0, \end{equation*} where $g(u)$ has superlinear growth at zero and sublinear…

Classical Analysis and ODEs · Mathematics 2015-12-23 Alberto Boscaggin , Guglielmo Feltrin , Fabio Zanolin

We study a boundary value elliptic problem having a lower order nonlinear term with subquadratic growth in the gradient of the solution and possibly singular when the solution vanishes. If the singularity is mild enough (and even in the…

Analysis of PDEs · Mathematics 2019-03-20 Salvador López Martínez

In this work we propose a novel approach to investigate boundary value problems (BVPs) for fully third order differential equations. It is based on the reduction of BVPs to operator equations for the nonlinear terms but not for the…

Numerical Analysis · Mathematics 2018-06-04 Dang Quang A , Dang Quang Long