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Let $M$ be a differentiable manifold and $TM$ be its tangent bundle. A $C^0$-Finsler structure on $M$ is a continuous function $F: TM \rightarrow \mathbb R$ such that its restriction to each tangent space is a norm. In this work we present…

Differential Geometry · Mathematics 2020-10-27 Ryuichi Fukuoka

The symmetrized bidisc \[ G \stackrel{\rm{def}}{=}\{(z+w,zw):|z|<1,\ |w|<1\}, \] under the Carath\'eodory metric, is a complex Finsler space of cohomogeneity $1$ in which the geodesics, both real and complex, enjoy a rich geometry. As a…

Differential Geometry · Mathematics 2020-12-08 Jim Agler , Zinaida Lykova , N. J. Young

Let $M$ be a smooth manifold and $TM$ its tangent bundle. A $C^0$-Finsler structure of $M$ is a continuous function $F:TM \rightarrow \mathbb{R}$ such that $F$ restricted to each tangent space $T_xM$ of $M$ is an asymmetric norm. $F$ is…

Differential Geometry · Mathematics 2025-10-29 Ryuichi Fukuoka , Anderson Macedo Setti

A piecewise flat Finsler metric on a triangulated surface $M$ is a metric whose restriction to any triangle is a flat triangle in some Minkowski space with straight edges. One of the main purposes of this work is to study the properties of…

Differential Geometry · Mathematics 2017-04-28 Ming Xu , Shaoqiang Deng

A $C^0$-Finsler structure is a continuous function $F:TM \rightarrow [0,\infty)$ defined on the tangent bundle of a differentiable manifold $M$ such that its restriction to each tangent space is an asymmetric norm. We use the convolution of…

Differential Geometry · Mathematics 2020-06-19 Ryuichi Fukuoka , Anderson Macedo Setti

A geodesic circle in Finsler geometry is a natural extension of that in a Euclidean space. In this paper, we apply Lie derivatives and the Cartan $Y$-connection to study geodesic circles and (infinitesimal) concircular transformations on a…

Differential Geometry · Mathematics 2021-07-20 Zhongmin Shen , Guojun Yang

Let (M.F) be a complete Finsler manifold and P be a minimal and compact submanifold of M. Ric_k(x), x in M is a differential invariant that interpolates between the flag curvature and the Ricci curvature. We prove that if on any geodesic…

Differential Geometry · Mathematics 2013-04-11 Mihai Anastasiei , Ioan Radu Peter

On the ground of origins of the theory of Lie groups and Lie algebras, their (co)adjoint representations, and the Pontryagin maximum principle for the time-optimal problem are given an independent foundation for methods of geodesic vector…

Differential Geometry · Mathematics 2019-06-14 Valera Berestovskii , Irina Zubareva

We present a rigorous generalization of the classical Ginzburg--Landau model to smooth, compact Finsler manifolds without boundary. This framework provides a natural analytic setting for describing anisotropic superconductivity within…

Mathematical Physics · Physics 2025-12-31 Y. Alipour Fakhri

The aim of the present paper is to provide a global presentation of the theory of special Finsler manifolds. We introduce and investigate globally (or intrinsically, free from local coordinates) many of the most important and most commonly…

Differential Geometry · Mathematics 2009-04-20 Nabil L. Youssef , S. H. Abed , A. Soleiman

In this paper I shall show how notions of Finsler geometry can be used to construct a new type of geometry using a scalar field, f, on the cotangent bundle of a differentiable manifold, M. This new geometry will be called Lorentzian…

General Relativity and Quantum Cosmology · Physics 2020-09-08 Gregory W. Horndeski

This paper is concerned with the problem of determining whether a projective-equivalence class of sprays is the geodesic class of a Finsler function. We address both the local and the global aspects of this problem. We present our results…

Differential Geometry · Mathematics 2012-10-19 M. Crampin , T. Mestdag , D. J. Saunders

We review properties of so-called special conformal Killing tensors on a Riemannian manifold $(Q,g)$ and the way they give rise to a Poisson-Nijenhuis structure on the tangent bundle $TQ$. We then address the question of generalizing this…

Differential Geometry · Mathematics 2008-04-24 Willy Sarlet

We establish a framework, namely, nuclear bounded Fr\'{e}chet manifolds endowed with Riemann-Finsler structures to study geodesic curves on certain infinite dimensional manifolds such as the manifold of Riemannian metrics on a closed…

Differential Geometry · Mathematics 2020-07-29 Kaveh Eftekharinasab , Valentyna Petrusenko

In this paper, we introduce a broad class of metrics on the slit tangent bundle of Finsler manifolds, termed \emph{$F$-natural metrics}. These metrics parallel the well-established $g$-natural metrics on the tangent bundles of Riemannian…

Differential Geometry · Mathematics 2024-11-12 Mohamed Tahar Kadaoui Abbassi , Abderrahim Mekrami

Lagrange geometry is the geometry of the tensor field defined by the fiberwise Hessian of a non degenerate Lagrangian function on the total space of a tangent bundle. Finsler geometry is the geometrically most interesting case of Lagrange…

Differential Geometry · Mathematics 2007-05-23 Izu Vaisman

In this work we show that for the geodesic spray $S$ of a Finsler function $F$ the most natural projective deformation $\widetilde{S}=S -2 \lambda F\mathbb C$ leads to a non-Finsler metrizable spray, for almost every value of $\lambda \in…

Differential Geometry · Mathematics 2012-08-02 Ioan Bucataru , Zoltán Muzsnay

We investigate the maximal open domain $\mathscr{E}(M)$ on which the orthogonal projection map $p$ onto a subset $M\subseteq \mathbb{R}^d$ can be defined and study essential properties of $p$. We prove that if $M$ is a $C^1$ submanifold of…

Differential Geometry · Mathematics 2020-02-14 Gunther Leobacher , Alexander Steinicke

Finsler geometry is a natural generalization of (pseudo-)Riemannian geometry, where the line element is not the square root of a quadratic form but a more general homogeneous function. Parameterizing this in terms of symmetric tensors…

High Energy Physics - Theory · Physics 2024-11-22 Alessandro Tomasiello

We study the geodesic flow of a compact surface without conjugate points and genus greater than one and continuous Green bundles. Identifying each strip of bi-asymptotic geodesics induces an equivalence relation on the unit tangent bundle.…

Dynamical Systems · Mathematics 2020-09-25 Rafael O. Ruggiero , Katrin Gelfert
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