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Related papers: Uniform Lipschitz extension in bounded curvature

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Given a connected Riemannian manifold $\mathcal{N}$, an \(m\)--dimensional Riemannian manifold $\mathcal{M}$ which is either compact or the Euclidean space, $p\in [1, +\infty)$ and $s\in (0,1]$, we establish, for the problems of…

Functional Analysis · Mathematics 2019-04-09 Antonin Monteil , Jean Van Schaftingen

In the present paper continuing our previous work we prove an extension theorem for matrices with entries in the algebra of bounded holomorphic functions defined on an unbranched covering of a Caratheodory hyperbolic Riemann surface of…

Complex Variables · Mathematics 2008-01-14 Alexander Brudnyi

This paper investigates conformal deformations of the scalar curvature and mean curvature on complete Riemannian manifolds with boundary. We establish sufficient conditions for the existence of conformal deformations to complete metrics…

Differential Geometry · Mathematics 2025-01-22 Tiarlos Cruz , Almir Silva Santos

In this paper we discuss the convergence of distances associated to converging structures of Lipschitz vector fields and continuously varying norms on a smooth manifold. We prove that, under a mild controllability assumption on the limit…

Metric Geometry · Mathematics 2021-11-15 Gioacchino Antonelli , Enrico Le Donne , Sebastiano Nicolussi Golo

Aronszajn, Krzywicki and Szarski proved in \cite{AKS62} a strong unique continuation result for differential forms, satisfying a certain first order differential inequality, on Riemannian manifolds with empty boundary. The present paper…

Analysis of PDEs · Mathematics 2022-07-06 Wadim Gerner

In this paper we introduce the curvature of densely defined universal connections on Hilbert $C^{*}$-modules relative to a spectral triple (or unbounded Kasparov module), obtaining a well-defined curvature operator. Fixing the spectral…

Operator Algebras · Mathematics 2019-11-13 Bram Mesland , Adam Rennie , Walter D. van Suijlekom

We investigate typical properties of nonexpansive mappings on unbounded complete hyperbolic metric spaces. For two families of metrics of uniform convergence on bounded sets, we show that the typical nonexpansive mapping is a Rakotch…

Functional Analysis · Mathematics 2023-03-21 Christian Bargetz , Simeon Reich , Daylen Thimm

We relate the positivity of the curvature term in the Weitzenbock formula for the Laplacian on p-forms on a complete manifold to the existence of bounded and $L^2$ harmonic forms. In the case where the manifold is the universal cover of a…

dg-ga · Mathematics 2016-05-09 K. D. Elworthy , Xue-Mei Li , Steven Rosenberg

We show that Thurston's skinning maps of Teichmuller space have finite fibers. The proof centers around a study of two subvarieties of the SL_2(C) character variety of a surface, one associated to complex projective structures and the other…

Geometric Topology · Mathematics 2015-06-29 David Dumas

We prove a parametrized compactness theorem on manifolds of bounded Ricci curvature, upper bounded diameter and lower bounded injectivity radius.

Differential Geometry · Mathematics 2017-11-21 Xiang Li , Shicheng Xu

We study the question of local and global uniqueness of completions, based on null geodesics, of Lorentzian manifolds. We show local uniqueness of such boundary extensions. We give a necessary and sufficient condition for existence of…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Piotr T. Chruściel

Let $M$ be a closed complex submanifold in ${\mathbb C}^N$ with the complete K\"ahler metric induced by the Euclidean metric. Several finiteness theorems on the $L^p$ Bergman space of holomorphic sections of a given Hermitian line bundle…

Complex Variables · Mathematics 2020-09-21 Bo-Yong Chen , Yuanpu Xiong

In this paper, we generalize Huber's finite point conformal compactification theorem to a higher dimensional manifold, which is conformally compact with $L^\frac{n}{2}$ integrable Ricci curvatures.

Differential Geometry · Mathematics 2022-06-09 Bo Chen , Yuxiang Li

We prove the $L^2$ boundedness of the directional Hilbert transform in the plane relative to measurable vector fields which are constant on suitable Lipschitz curves.

Classical Analysis and ODEs · Mathematics 2014-10-29 Shaoming Guo

In this paper we prove some general results on constant mean curvature lamination limits of certain sequences of compact surfaces $M_n$ embedded in $\mathbb R^3$ with constant mean curvature $H_n$ and fixed finite genus, when the boundaries…

Differential Geometry · Mathematics 2016-05-02 William H. Meeks , Giuseppe Tinaglia

The existence of closed hypersurfaces of prescribed curvature in globally hyperbolic Lorentzian manifolds is proved provided there are barriers.

Differential Geometry · Mathematics 2007-05-23 Claus Gerhardt

We show that the elasticity Hilbert complex with mixed boundary conditions on bounded strong Lipschitz domains is closed and compact. The crucial results are compact embeddings which follow by abstract arguments using functional analysis…

Analysis of PDEs · Mathematics 2023-07-19 Dirk Pauly , Michael Schomburg

We prove that functions defined on a lattice in a finite dimensional torus with bounded finite differences can be smoothly extended to the whole torus, and relate the bounds on the extension's derivatives with bounds on the original…

Differential Geometry · Mathematics 2008-11-27 P. Duarte , M. J. Torres

We introduce and investigate a novel notion of transversely affine foliation, comparing and contrasting it to the previous ones in the literature. We then use it to give an extension of the classic Hadamard's theorem from Riemannian…

Differential Geometry · Mathematics 2025-03-11 Francisco C. Caramello , Henrique A. Puel Martins , Ivan P. Costa e Silva

For a complete noncompact connected Riemannian manifold with bounded geometry, we prove a compactness result for sequences of finite perimeter sets with uniformly bounded volume and perimeter in a larger space obtained by adding limit…

Metric Geometry · Mathematics 2015-04-21 Abraham Enrique Muñoz Flores , Stefano Nardulli