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Related papers: Non-tangential Burns-Krantz rigidity

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In \cite{X-Z DCS1}, we introduced discrete conformal structures on surfaces with boundary via an axiomatic framework, and provided a classification of such discrete conformal structures. The present work focuses on the rigidity and…

Differential Geometry · Mathematics 2025-07-25 Xu Xu , Chao Zheng

We prove the boundedness theorem for Fano threefolds with log-terminal singularities of any fixed index. This is an improvement of our earlier result, where we required additionally that the variety is Q-factorial, with Picard number 1. The…

Algebraic Geometry · Mathematics 2007-05-23 Alexandr Borisov

We study the instability of bound states for abstract nonlinear Schr\"{o}dinger equations. We prove a new instability result for a borderline case between stability and instability. We also reprove some known results in a unified way.

Analysis of PDEs · Mathematics 2014-08-26 Masahito Ohta

We introduce a framework for coverings of noncommutative spaces. Moreover, we study noncommutative coverings of irrational quantum tori and characterize all such coverings that are connected in a reasonable sense.

Operator Algebras · Mathematics 2025-12-24 Kay Schwieger , Stefan Wagner

C Croke and B Kleiner have constructed an example of a CAT(0) group with more than one visual boundary. J Wilson has proven that this same group has uncountably many distinct boundaries. In this article we prove that the knot group of any…

Geometric Topology · Mathematics 2016-01-20 Christopher Mooney

The goal of this note is to establish non-tangential convergence results for Schr\"{o}dinger operators along restricted curves. We consider the relationship between the dimension of this kind of approach region and the regularity for the…

Classical Analysis and ODEs · Mathematics 2021-06-18 Wenjuan Li , Huiju Wang , Dunyan Yan

We review in elementary, non-technical terms the description of topological B-type of D-branes in terms of boundary Landau-Ginzburg theory, as well as some applications.

High Energy Physics - Theory · Physics 2008-11-26 H. Jockers , W. Lerche

This paper presents non-commutative and structural notions of torsor. The two are related by the machinery of Tannaka-Krein duality.

Category Theory · Mathematics 2010-09-24 Thomas Booker , Ross Street

We restrict geometric tangential equivariant complex $T^n$-bordism to torus manifolds and provide a complete combinatorial description of the appropriate non-commutative ring. We discover, using equivariant $K$-theory characteristic…

Algebraic Topology · Mathematics 2014-09-10 Alastair Darby

In the study of classical obstacle problems, it is well known that in many configurations the free boundary intersects the fixed boundary tangentially. The arguments involved in producing results of this type rely on the linear structure of…

Analysis of PDEs · Mathematics 2016-06-22 Emanuel Indrei , Andreas Minne

We prove several finiteness theorems for the normal bundles to souls in nonnegatively curved manifolds. More generally, we obtain finiteness results for open Riemannian manifolds whose topology is concentrated on compact domains of…

Differential Geometry · Mathematics 2007-05-23 Igor Belegradek , Vitali Kapovitch

In this paper we give new lower bounds on the Hilbert-Kunz multiplicity of unmixed non-regular local rings, bounding them uniformly away from one. Our results improve previous work of Aberbach and Enescu.

Commutative Algebra · Mathematics 2011-04-26 Olgur Celikbas , Hailong Dao , Craig Huneke , Yi Zhang

An inequality on torsional rigidity is established. For tangential polygons this inequality is stronger than an inequality of Polya and Szego for convex domains. (A survey of related work, not in the journal submission, is presented in the…

Analysis of PDEs · Mathematics 2021-03-11 Grant Keady

This note presents a regularity result with proof for an initial-boundary value problem of a linear parabolic system involving curl of the unknown vector field, subjected to the boundary condition of prescribing the tangential component of…

Analysis of PDEs · Mathematics 2021-08-03 Xing-Bin Pan

We establish sharp upper and lower estimates of the Dunkl kernel in the case of dihedral groups.

Classical Analysis and ODEs · Mathematics 2023-10-24 Jean-Philippe Anker , Bartosz Trojan

In this paper, we deform a uniquely-extremal Beltrami differential into different non-decreasable Beltrami differentials, and then construct non-unique extremal Beltrami differentials such that they are both non-landslide and…

Complex Variables · Mathematics 2016-06-23 Guowu Yao

We study torsional rigidity for graph and quantum graph analogs of well-known pairs of isospectral non-isometric planar domains. We prove that such isospectral pairs are distinguished by torsional rigidity.

Spectral Theory · Mathematics 2017-01-04 Don Colladay , Leon Kaganovskiy , Patrick McDonald

In this short note we prove the Borel conjecture for a family of aspherical manifolds that includes higher graph manifolds.

Geometric Topology · Mathematics 2019-12-05 Noé Bárcenas , Daniel Juan-Pineda , Pablo Suárez-Serrato

This note contains some results related to the definitions of toroidal embeddings and toroidal morphisms over non-closed fields of characteristic zero.

Algebraic Geometry · Mathematics 2013-03-21 Jan Denef

In this paper we give necessary and sufficient conditions for a knot type to admit non-loose Legendrian and transverse representatives in some overtwisted contact structure, classify all non-loose rational unknots in lens spaces, and…

Geometric Topology · Mathematics 2023-10-10 Rima Chatterjee , John B. Etnyre , Hyunki Min , Anubhav Mukherjee