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We consider the conformal class of the Riemannian product $g_0 + g$, where $g_0$ is the constant curvature metric on $S^m$ and $g$ is a metric of constant scalar curvature on some closed manifold. We show that the number of metrics of…

Differential Geometry · Mathematics 2008-12-24 Jimmy Petean

We show that if a shrinking soliton is asymptotic to a cone along an end then the isometry group of the cross-section of the cone embeds in the isometry group of the end of the shrinker. We also provide sufficient conditions for the…

Differential Geometry · Mathematics 2019-01-03 Brett Kotschwar , Lu Wang

We study Krasnoselskii-Mann style iterative algorithms for approximating fixpoints of asymptotically weakly contractive mappings, with a focus on providing generalised convergence proofs along with explicit rates of convergence. More…

Functional Analysis · Mathematics 2021-04-30 Thomas Powell , Franziskus Wiesnet

Using techniques of supersymmetric gauge theories, we present the Ricci-flat metrics on non-compact Kahler manifolds whose conical singularity is repaired by the Hermitian symmetric space. These manifolds can be identified as the complex…

High Energy Physics - Theory · Physics 2009-11-07 Kiyoshi Higashijima , Tetsuji Kimura , Muneto Nitta

The spectrum of the Dirichlet Laplacian on conical layers is analysed through two aspects: the infiniteness of the discrete eigenvalues and their expansions in the small aperture limit. On the one hand, we prove that, for any aperture, the…

Numerical Analysis · Mathematics 2017-11-23 Monique Dauge , Thomas Ourmières-Bonafos , Nicolas Raymond

McLean studied the deformations of compact special Lagrangian submanifolds, showing in particular that they come in moduli spaces whose dimension depends only on the topology of the submanifold. In this article we study the analogous…

Differential Geometry · Mathematics 2007-05-23 T. Pacini

We study the behavior of the Quillen metric for the family of Riemann surfaces with cusps when the additional cusps are created by degeneration. More precisely, in our previous paper, we've seen that the renormalization of the Quillen…

Differential Geometry · Mathematics 2026-03-25 Siarhei Finski

We establish a uniformization result for metric surfaces - metric spaces that are topological surfaces with locally finite Hausdorff 2-measure. Using the geometric definition of quasiconformality, we show that a metric surface that can be…

Complex Variables · Mathematics 2019-09-20 Toni Ikonen

We consider the geometric inverse problem of determining a closed Riemannian manifold from measurements of the heat kernel in an open subset of the manifold. In this paper we analyze the stability of this problem in the class of…

Differential Geometry · Mathematics 2024-04-24 Yaroslav Kurylev , Matti Lassas , Jinpeng Lu , Takao Yamaguchi

We prove a persistence result for noncompact normally hyperbolic invariant manifolds in the setting of Riemannian manifolds of bounded geometry. Bounded geometry of the ambient manifold is a crucial assumption required to control the…

Dynamical Systems · Mathematics 2013-08-20 J. Eldering

We characterize sequences of Kleinian surface groups with convergent subsequences in terms of the asymptotic behavior of the ending invariants of the associated hyperbolic 3-manifolds. Asymptotic behavior of end invariants in a convergent…

Geometric Topology · Mathematics 2015-06-12 Jeffrey Brock , Kenneth Bromberg , Richard Canary , Cyril Lecuire

In this paper we derive a refined asymptotic expansion, near an isolated singularity, for conformally flat metrics with constant positive Q-curvature and positive scalar curvature. The condition that the metric has constant Q-curvature…

Differential Geometry · Mathematics 2020-01-23 Jesse Ratzkin

This article describes an entirely algebraic construction for developing conformal geometries, which provide models for, among others, the Euclidean, spherical and hyperbolic geometries. On one hand, their relationship is usually shown…

Metric Geometry · Mathematics 2018-07-13 Máté Lehel Juhász

Ambrose and Singer characterized connected, simply-connected and complete homogeneous Riemannian manifolds as Riemannian manifolds admitting a metric connection such that its curvature and torsion are parallel. The aim of this paper is to…

Differential Geometry · Mathematics 2014-05-06 Ignacio Luján

We prove asymptotically isometric, coarsely geodesic metrics on a toral relatively hyperbolic group are coarsely equal. The theorem applies to all lattices in SO(n,1). This partly verifies a conjecture by Margulis. In the case of hyperbolic…

Group Theory · Mathematics 2013-11-18 Koji Fujiwara

All known examples of homogeneous Einstein metrics of negative Ricci curvature can be realized as left-invariant Riemannian metrics on solvable Lie groups. After defining a notion of maximal symmetry among left-invariant Riemannian metrics…

Differential Geometry · Mathematics 2015-07-31 Carolyn S. Gordon , Michael R. Jablonski

In this paper, we obtain the explicit expression of the supersymmetric algebra associated with the recently proposed massive supermembrane including all surface terms. We formulate the theory as the limit of a supermembrane on a genus-two…

High Energy Physics - Theory · Physics 2023-06-30 M. P. Garcia del Moral , P. Leon , A. Restuccia

We give a survey of analytic and geometric results on `fibred cusp spaces', a large class of non-compact Riemannian manifolds which include the regular parts of singular spaces with incomplete cusp singularities as well as complete spaces…

Differential Geometry · Mathematics 2026-04-20 Daniel Grieser , Álvaro Sánchez-Hernández , Boris Vertman

Given a compact Riemann surface $\Sigma$ of genus $g_\Sigma\, \geq\, 2$, and an effective divisor $D\, =\, \sum_i n_i x_i$ on $\Sigma$ with $\text{degree}(D)\, <\, 2(g_\Sigma -1)$, there is a unique cone metric on $\Sigma$ of constant…

Differential Geometry · Mathematics 2022-03-03 Indranil Biswas , Steven Bradlow , Sorin Dumitrescu , Sebastian Heller

We generalize several recent results concerning the asymptotic expansions of Bergman kernels to the framework of geometric quantization and establish an asymptotic symplectic identification property. More precisely, we study the asymptotic…

Differential Geometry · Mathematics 2007-05-23 Xiaonan Ma , Weiping Zhang