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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

We make systematic developments on Lawson-Osserman constructions relating to the Dirichlet problem (over unit disks) for minimal surfaces of high codimension in their 1977 Acta paper. In particular, we show the existence of boundary…

Differential Geometry · Mathematics 2019-05-22 Xiaowei Xu , Ling Yang , Yongsheng Zhang

We show that arbitrary homeomorphic solutions to the Beltrami equations with generalized derivatives satisfy certain moduli inequalities. On this basis, we develope the theory of the boundary behavior of such solutions and prove a series of…

Complex Variables · Mathematics 2012-01-27 Denis Kovtonyuk , Igor Petkov , Vladimir Ryazanov , Ruslan Salimov

We present a novel integral representation for the biharmonic Dirichlet problem. To obtain the representation, the Dirichlet problem is first converted into a related Stokes problem for which the Sherman-Lauricella integral representation…

Numerical Analysis · Mathematics 2017-12-25 Manas Rachh , Travis Askham

We consider the Dirichlet problem for the nonlinear $p(x)$-Laplacian equation. For axially symmetric domains we prove that, under suitable assumptions, there exist Mountain-pass solutions which exhibit partial symmetry. Furthermore, we show…

Analysis of PDEs · Mathematics 2012-06-08 Luigi Montoro , Berardino Sciunzi , Marco Squassina

An inhomogeneous Tricomi equation is considered in a strip with a polynomial right-hand side. It is shown that the Dirichlet boundary value problem with polynomial boundary conditions has a polynomial solution. An algorithm for constructing…

Analysis of PDEs · Mathematics 2018-07-13 Oleg D. Algazin

On a finite graph with a chosen partition of the vertex set into interior and boundary vertices, a $\lambda$-polyharmonic function is a complex function $f$ on the vertex set which satisfies $(\lambda \cdot I - P)^n f(x) = 0$ at each…

Probability · Mathematics 2022-06-10 Thomas Hirschler , Wolfgang Woess

We prove the uniqueness of solutions to Dirichlet problem for p-harmonic maps with images in a small geodesic ball of the target manifold. As a consequence, we show that such maps have Hoelder continuous derivatives. This gives an extension…

Analysis of PDEs · Mathematics 2012-03-12 Ali Fardoun , Rachid Regbaoui

In a multidimensional infinite layer bounded by two hyperplanes, the Poisson equation with the polynomial right-hand side is considered. It is shown that the Dirichlet boundary value problem and the mixed Dirichlet-Neumann boundary value…

Mathematical Physics · Physics 2017-10-17 Oleg D. Algazin

We consider the Dirichlet problem for two types of degenerate elliptic Hessian equations . New results about solvability of the equations in the $C^{1,1}$ space are provided.

Analysis of PDEs · Mathematics 2007-05-23 Hongjie Dong

We prove that subharmonic functions of finite order on finite dimensional real space, bounded from above outside of some asymptotically small sets on spheres, are bounded from above everywhere. It follows that subharmonic functions of…

Complex Variables · Mathematics 2020-09-11 Bulat N. Khabibullin

We consider rotationally symmetric $p$-harmonic maps from the unit disk $D^2\subset\real^2$ to the unit sphere $S^2\subset\real^3$, subject to Dirichlet boundary conditions and with $1<p<\infty$. We show that the associated energy…

Analysis of PDEs · Mathematics 2012-06-14 Razvan Gabriel Iagar , Salvador Moll

For elliptic in the half-space and parabolic degenerating on the boundary equation of Keldysh type we construct by similarity method the self-similar solution, which is the approximation to the identity in the class of integrable functions.…

Mathematical Physics · Physics 2016-12-02 Oleg D. Algazin

Some Dirichlet-like functions, attached to a pair (periodic function, polynomial) are introduced and studied. These functions generalize the standard Dirichlet L-functions of Dirichlet characters. They have similar properties, being…

Number Theory · Mathematics 2025-03-25 Frédéric Chapoton

We~describe the Dirichlet space of $M$-harmonic functions, i.e.~functions annihilated by the invariant Laplacian on~the unit ball of the complex $n$-space, as~the limit of the analytic continuation (in~the spirit of Rossi and Vergne) of the…

Complex Variables · Mathematics 2024-03-15 Miroslav Engliš , El-Hassan Youssfi

In this work, we consider the Dirichlet boundary value problem for nonlinear triharmonic equation. Due to the reduction of the nonlinear boundary value problem to operator equation for the nonlinear term and the unknown second normal…

Numerical Analysis · Mathematics 2020-07-08 Dang Quang A , Nguyen Quoc Hung , Vu Vinh Quang

The Hodge equations for 1-forms are studied on Beltrami's projective disc model for hyperbolic space. Ideal points lying beyond projective infinity arise naturally in both the geometric and analytic arguments. An existence theorem for…

Mathematical Physics · Physics 2007-05-23 Thomas H. Otway

Using an estimate on the number of critical points for a Morse-even function on the sphere $\mathbb S^m$, $m\ge1$, we prove a multiplicity result for orthogonal geodesic chords in Riemannian manifolds with boundary that are diffeomorphic to…

Dynamical Systems · Mathematics 2015-03-23 R. Giambò , F. Giannoni , P. Piccione

We investigate solvability of a continuous Dirichlet boundary value problem together with its classical discretization using a gobal diffeomorphism theorem.

Classical Analysis and ODEs · Mathematics 2017-11-29 Michał Bełdziński , Marek Galewski

We prove the existence of classical solutions to the Dirichlet problem for a class of fully nonlinear elliptic equations of curvature type on Riemannian manifolds. We also derive new second derivative boundary estimates which allows us to…

Differential Geometry · Mathematics 2013-05-07 Jorge H. S. de Lira , Flávio F. Cruz
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