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Related papers: A uniform result in dimension 2

200 papers

We study time-dependent compactification of extra dimensions. We assume that the spacetime is spatially homogeneous, and solve the vacuum Einstein equations without cosmological constant in more than three dimensions. We consider globally…

General Relativity and Quantum Cosmology · Physics 2025-02-14 Yuichiro Sato , Takanao Tsuyuki

The goal of this paper is to investigate some rigidity properties of stable solutions of elliptic equations set on manifolds with boundary. We provide several types of results, according to the dimension of the manifold and the sign of its…

Analysis of PDEs · Mathematics 2009-07-16 Yannick Sire , Enrico Valdinoci

In this note we prove infinite dimensionality of the Teichm\"uller space of a hyperbolic Riemann surface lamination of a compact space having a simply connected leaf.

Dynamical Systems · Mathematics 2011-12-30 Bertrand Deroin

In this note we give an alternative geometrical derivation of the results recently presented by Garcia-Godinez, Newman and Silva-Ortigoza in [1] on the class of all two-dimensional riemannian and lorentzian metrics from 2nd order ODEs which…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Emanuel Gallo

We prove a novel unique continuation result for weak bisolutions to the massive Klein-Gordon equation on a 2-dimensional cylinder M. Namely, if such a bisolution vanishes in a neighbourhood of a `sufficiently large' portion of a…

General Relativity and Quantum Cosmology · Physics 2008-11-26 C. J. Fewster

We investigate compactness phenomena involving free boundary minimal hypersurfaces in Riemannian manifolds of dimension less than eight. We provide natural geometric conditions that ensure strong one-sheeted graphical subsequential…

Differential Geometry · Mathematics 2018-01-09 Lucas Ambrozio , Alessandro Carlotto , Ben Sharp

On compact Riemannian manifold of dimension n, and under some conditions on the curvature, we have changing-sign solutions for n large enough for an elliptic PDE.

Analysis of PDEs · Mathematics 2018-04-30 Samy Skander Bahoura

In this short paper we show a sufficient condition for the solvability of the Dirichlet problem at infinity in Riemannian cones (as defined below).This condition is related to a celebrated result of Milnor that classifies parabolic…

Differential Geometry · Mathematics 2021-11-23 Jean C. Cortissoz

The purpose of this paper is to prove the uniqueness theorem of solutions of eigenvalue equations on one end of Riemannian manifolds for drift Laplacians, including the standard Laplacian as a special case; we shall impose "a sort of…

Differential Geometry · Mathematics 2012-03-13 Hironori Kumura

We give a short and rigorous proof of the existence and uniqueness of the solution of Liouville equation with sources, both elliptic and parabolic, on the sphere and on all higher genus compact Riemann surfaces.

Mathematical Physics · Physics 2017-09-13 Pietro Menotti

We approach the problem of uniformization of general Riemann surfaces through consideration of the curvature equation, and in particular the problem of constructing Poincar\'e metrics (i.e., complete metrics of constant negative curvature)…

Differential Geometry · Mathematics 2007-05-23 Rafe Mazzeo , Michael Taylor

We show that round hemispheres are the only compact 2 dimensional Riemannian manifolds (with or without boundary) such that almost every pair of complete geodesics intersect once and only once. We prove this by establishing a sharp…

Differential Geometry · Mathematics 2007-05-23 Christopher B. Croke

A detailed study of uniformly regular Riemannian manifolds and manifolds with singular ends is carried out in this paper. Such classes of manifolds are of fundamental importance for a Sobolev space solution theory for parabolic evolution…

Analysis of PDEs · Mathematics 2015-06-24 Herbert Amann

We consider the singular Liouville equation and the Henon-Lane-Emden problem on simply connected planar domains. We show that any solution to each problem must satisfy a uniform bound on the mass. The same results applies to some systems…

Analysis of PDEs · Mathematics 2018-12-11 Luca Battaglia

It is shown that solutions of the Neumann problem for the Poisson equation in an arbitrary convex $n$-dimensional domain are uniformly Lipschitz. Applications of this result to some aspects of regularity of solutions to the Neumann problem…

Analysis of PDEs · Mathematics 2008-11-07 Vladimir Maz'ya

We give simple criteria for the singularities appearing on surfaces codimension less than or equal to two. As applications, we give conditions for codimension two singularities that appear in ruled surfaces and center maps of surfaces in…

Differential Geometry · Mathematics 2025-05-14 Kentaro Saji , Runa Shimada

We prove global existence and scattering for a class of quadratic Schrodinger equations in dimension 2. The proof relies on the idea of space-time resonance.

Analysis of PDEs · Mathematics 2010-01-29 Pierre Germain , Nader Masmoudi , Jalal Shatah

We investigate the uniqueness, in suitable weighted Lebesgue spaces, of solutions to a class of elliptic equations with a drift posed on a complete, noncompact, Riemannian manifold $M$ of infinite volume and dimension $N\ge2$. Furthermore,…

Analysis of PDEs · Mathematics 2022-10-13 Giulia Meglioli , Alberto Roncoroni

For any $\alpha \in (0,1)$, we construct an example of a solution to a parabolic equation with measurable coefficients in two space dimensions which has an isolated singularity and is not better that $C^\alpha$. We prove that there exists…

Analysis of PDEs · Mathematics 2020-11-25 Luis Silvestre

This paper provides the solution of the Riemann-Papperitz equation with singular points at z=-i,i.This solution is obtained by mapping the singular points into points 0,infinity. The solution is then obtained in terms of the Gauss…

Mathematical Physics · Physics 2007-05-23 Milan Batista