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A linear connection on a Finsler manifold is called compatible to the Finsler function if its parallel transports preserve the Finslerian length of tangent vectors. Generalized Berwald manifolds are Finsler manifolds equipped with a…

Differential Geometry · Mathematics 2021-08-24 Csaba Vincze , Márk Oláh

In the present paper, we introduce and investigate various types of harmonic Finsler manifolds and find out the interrelation between them. We give some characterizations of such spaces in terms of the mean curvature of geodesic spheres and…

Differential Geometry · Mathematics 2024-07-02 Hemangi Shah , Ebtsam H. Taha

The space of anisotropic $r$-contravariant $s$-covariant $\alpha$-homogeneous tensors on a manifold admits a functorial structure where vertical derivatives $\dot{\partial}$ and contractions $\imath_{\mathbb{C}}$ by the Liouville vector…

Differential Geometry · Mathematics 2025-04-22 Miguel Sánchez , Fidel F. Villaseñor

In this paper, we generalize the notion of cyclic metric to homogeneous Finsler geometry. Firstly, we prove that a homogeneous Finsler space $(G/H, F)$ must be symmetric when it satisfies the naturally reductive and cyclic conditions…

Differential Geometry · Mathematics 2023-04-04 Ju Tan , Ming Xu

Finsleroid-Finsler metrics form an important class of singular (y-local) Finslerian metrics. They were introduced by G. S. Asanov in 2006. As a special case Asanov produced examples of Landsberg spaces of dimension at least three that are…

Differential Geometry · Mathematics 2016-05-17 Csaba Vincze

The paper consider the symmetric of Finsler spaces. We give some conditions about globally symmetric Finsler spaces. Then we prove that these spaces can be written as a coset space of Lie group with an invariant Finsler metric. Finally, we…

Differential Geometry · Mathematics 2011-01-25 R. Chavosh Khatamy , R . Esmaili

A labeled metric space is intuitively speaking a metric space together with a special set of points to be understood as the geometric boundary of the space. We study basic properties of a recently introduced labeled Gromov-Hausdorff…

Metric Geometry · Mathematics 2022-10-04 Reijo Jaakkola , Antti Kykkänen

In this paper, we introduce the metric operator for a compact homogeneous Finsler space, and use it to investigate the geodesic orbit property. We define the notion of standard homogeneous $(\alpha_1,\cdots,\alpha_s)$-metric which…

Differential Geometry · Mathematics 2024-04-23 Lei Zhang , Ming Xu

A Riemannian manifold is called harmonic if its volume density function expressed in polar coordinates centered at any point is radial. Flat and rank-one symmetric spaces are harmonic. The converse (the Lichnerowicz Conjecture) is true for…

Differential Geometry · Mathematics 2007-05-23 Y. Nikolayevsky

The author reviews his results on locally compact homogeneous spaces with inner metric, in particular, homogeneous manifolds with inner metric. The latter are isometric to homogeneous (sub-)Finslerian manifolds; under some additional…

Differential Geometry · Mathematics 2014-12-30 V. N. Berestovskii

We show that in dimension 2 every Finsler metric with at least 3-dimensional Lie algebra of projective vector fields is locally projectively equivalent to a Randers metric. We give a short list of such Finsler metrics which is complete up…

Differential Geometry · Mathematics 2019-08-08 Julius Lang

Our paper is devoted to the study of the holonomy groups of Finsler surfaces using the methods of infinite dimensional Lie theory. The notion of infinitesimal holonomy algebra will be introduced, by the smallest Lie algebra of vector fields…

Differential Geometry · Mathematics 2010-12-03 Zoltan Muzsnay , Peter T. Nagy

An involutive diffeomorphism $\sigma$ of a connected smooth manifold $M$ is called dissecting if the complement of its fixed point set is not connected. Dissecting involutions on a complete Riemannian manifold are closely related to…

Differential Geometry · Mathematics 2019-12-20 Karl-Hermann Neeb , Gestur Olafsson

We demonstrate the emergence of the conformal group SO(4,2) from the Clifford algebra of spacetime. The latter algebra is a manifold, called Clifford space, which is assumed to be the arena in which physics takes place. A Clifford space…

High Energy Physics - Theory · Physics 2007-05-23 C. Castro , M. Pavsic

First we present a short overview of the long history of projectively flat Finsler spaces. We give a simple and quite elementary proof of the already known condition for the projective flatness, and we give a criterion for the projective…

Differential Geometry · Mathematics 2015-05-27 T. Q. Binh , D. Cs. Kertész , L. Tamássy

In this paper, we prove that every homogeneous Landsberg surface has isotropic flag curvature. Using this special form of the flag curvature, we prove a rigidity result on homogeneous Landsberg surface. Indeed, we prove that every…

Differential Geometry · Mathematics 2021-07-14 Akbar Tayebi , Behzad Najafi

There are two definitions of Einstein-Finsler spaces introduced by Akbar-Zadeh, which we will show is equal along the integral curves of $I$-invariant projective vector fields. The sub-algebra of the $C$-projective vector fields, leaving…

Differential Geometry · Mathematics 2023-04-04 Behnaz Lajmiri , Behroz Bidabad , Mehdi Rafie-Rad , Yadollah Aryanejad-Keshavarzi

A Finsler space $(M,F)$ is called a geodesic orbit space if any geodesic of constant speed is the orbit of a one-parameter subgroup of isometries of $(M, F)$. In this paper, we study Finsler metrics on Euclidean spaces which are geodesic…

Differential Geometry · Mathematics 2018-10-12 Ming Xu , Shaoqiang Deng , Zaili Yan

Let $H$ be an infinite-dimensional complex Hilbert space and let ${\mathcal G}_{\infty}(H)$ be the set of all closed subspaces of $H$ whose dimension and codimension both are infinite. We investigate (not necessarily surjective)…

Mathematical Physics · Physics 2024-03-19 Mark Pankov

When a closed Finsler manifold admits continuous isometric actions, estimating the number of orbits of prime closed geodesics seems a more reasonable substitution for estimating the number of prime closed geodesics. To generalize the works…

Differential Geometry · Mathematics 2018-08-22 Ming Xu