English
Related papers

Related papers: On the Cheeger-Gromoll metric

200 papers

We study unit horizontal bundles associated with Riemannian submersions. First we investigate metric properties of an arbitrary unit horizontal bundle equipped with a Riemannian metric of the Cheeger-Gromoll type. Next we examine it from…

Differential Geometry · Mathematics 2007-06-15 Wojciech Kozlowski , Szymon M. Walczak

This paper, sixth in a series of eight, uses the geometric calculus on manifolds developed in previous papers of the series to introduce through the concept of a metric extensor field g a metric structure for a smooth manifold M. The…

Differential Geometry · Mathematics 2007-05-23 W. A. Rodrigues , V. V. Fernandez , A. M. Moya

Let $(M,g)$ be a Riemannian manifold, $L(M)$ its frame bundle. We construct new examples of Riemannian metrics on $L(M)$, which are obtained from Riemannian metrics on the tangent bundle $TM$. We compute the Levi--Civita connection and…

Differential Geometry · Mathematics 2012-05-07 Kamil Niedzialomski

We begin by studying the Riemannian geometry of the tangent Lie group $TG$ associated with a Lie group $G$ whose commutator subgroup is two-dimensional, equipped with the lift of a left-invariant Riemannian metric on $G$. We establish the…

Differential Geometry · Mathematics 2026-04-30 Ali Hatami Shahi , Hamid Reza Salimi Moghaddam

In this article, we study relations between the local geometry of planar graphs (combinatorial curvature) and em global geometric invariants, namely the Cheeger constants and the exponential growth. We also discuss spectral applications.

Metric Geometry · Mathematics 2009-07-30 Matthias Keller , Norbert Peyerimhoff

We construct a metrical framed structure on the tensor bundle of a Riemannian manifold equipped with a Cheeger-Gromoll type metric and by restricting this structure to the tensor sphere bundle, we obtain an almost metrical paracontact…

Differential Geometry · Mathematics 2013-06-12 E. Peyghan , L. Nourmohammadi Far , A. Tayebi

We investigate the geometry of a normal bundle equipped with a $(p,q)$-metric, i.e., Riemannian metric of Cheeger-Gromoll type, to the submanifold of a Riemannian manifold. We derive all natural object as the Levi-Civita connection,…

Differential Geometry · Mathematics 2008-09-24 Wojciech Kozłowski

In this short note, we investigate the effect of the local fractional derivatives on the Riemann curvature tensor that is a common tool in calculating curvature of a Riemannian manifold. For this, first we introduce a general local…

Differential Geometry · Mathematics 2022-11-28 Muhittin Evren Aydin

We prove a new generalization of the Cheeger-Gromoll splitting theorem where we obtain a warped product splitting under the existence of a line. The curvature condition in our splitting is a curvature dimension inequality of the form…

Differential Geometry · Mathematics 2016-06-30 William Wylie

From the Aharonov-Bohm effect to general relativity, geometry plays a central role in modern physics. In quantum mechanics many physical processes depend on the Berry curvature. However, recent advances in quantum information theory have…

Statistical Mechanics · Physics 2013-09-04 Michael Kolodrubetz , Vladimir Gritsev , Anatoli Polkovnikov

The main purpose of the paper is to investigate Killing vector field on the tangent bundle T(M_{n}) of the Riemannian manifold with respect to the Levi-Civita connection of the metric II+III .

Differential Geometry · Mathematics 2014-04-04 Melek Aras

Using Gauss's square-roots of the metric components, the diagonal Riemann tensor components for diagonal metrics are calculated. The result is a form which makes their source in the metric directly intuitive and displays an intriguing…

General Mathematics · Mathematics 2019-02-06 Avi Rabinowitz

We review and apply Cheeger-Gromov theory on $l^2$-cohomology of infinite coverings of complete manifolds with bounded curvature and finite volume. Applications focus on $l^2$-cohomology of (pullback of) harmonic Higgs bundles on some…

Complex Variables · Mathematics 2018-10-10 Pascal Dingoyan , Georg Schumacher

We consider a 4-dimensional Riemannian manifold M endowed with a right skew-circulant tensor structure S, which is an isometry with respect to the metric g and the fourth power of S is minus identity. We determine a class of manifolds (M,…

Differential Geometry · Mathematics 2022-10-14 Iva Dokuzova

We show, using two different approaches, that there exists a family of Riemannian metrics on the tangent bundle of a two-sphere, which induces metrics of constant curvature on its unit tangent bundle. In other words, given such a metric on…

Differential Geometry · Mathematics 2010-02-10 M. Benyounes , E. Loubeau , S. Nishikawa

We derive a formula for the curvature tensor of the natural Riemannian metric on the space of two-dimensional conformal field theories and also a formula for the curvature tensor of the space of boundary conformal field theories.

High Energy Physics - Theory · Physics 2015-06-05 Daniel Friedan , Anatoly Konechny

Uniform bounds are developed for derivatives of solutions of the $2$-dimensional constant negative curvature equation and the Weil-Petersson metric for the Teichm\"{u}ller and moduli spaces. The dependence of the bounds on the geometry of…

Geometric Topology · Mathematics 2016-05-27 Scott A. Wolpert

Our main aim in this paper is to promote the coframe variational method as a unified approach to derive field equations for any given gravitational action containing the algebraic functions of the scalars constructed from the Riemann…

General Relativity and Quantum Cosmology · Physics 2015-05-20 Ahmet Baykal , Özgur Delice

This paper deals with the concept of curvature of framed space curves, their higher-order derivatives, variations, and co-rotational derivatives. We realize that parametrizing rotation tensor using the Gibbs vector is effective in deriving…

Differential Geometry · Mathematics 2019-08-07 Mayank Chadha , Michael D. Todd

In this paper, we propose a generalization of the Riemann curvature tensor on manifolds (of dimension two or higher) endowed with a Regge metric. Specifically, while all components of the metric tensor are assumed to be smooth within…

Numerical Analysis · Mathematics 2026-01-12 Jay Gopalakrishnan , Michael Neunteufel , Joachim Schöberl , Max Wardetzky