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We establish the Bonnet-Myers theorem, Laplacian comparison theorem, and Bishop-Gromov volume comparison theorem for weighted Finsler manifolds as well as weighted Finsler spacetimes, of weighted Ricci curvature bounded below by using the…

Differential Geometry · Mathematics 2022-03-09 Yufeng Lu , Ettore Minguzzi , Shin-ichi Ohta

Finsler geometry is a natural and fundamental generalization of Riemann geometry. The Finsler structure depends on both coordinates and velocities. It is defined as a function on tangent bundle of a manifold. We use the Bianchi identities…

General Relativity and Quantum Cosmology · Physics 2007-11-14 Xin Li , Zhe Chang

In this article, we review the current status of Finsler-Lagrange geometry and generalizations. The goal is to aid non-experts on Finsler spaces, but physicists and geometers skilled in general relativity and particle theories, to…

General Relativity and Quantum Cosmology · Physics 2008-01-31 Sergiu I. Vacaru

We briefly review some basic concepts of parallel displacement in Finsler geometry. In general relativity, the parallel translation of objects along the congruence of the fundamental observer corresponds to the evolution in time. By…

General Relativity and Quantum Cosmology · Physics 2013-12-18 A. P. Kouretsis , M. Stathakopoulos , P. C. Stavrinos

In this paper, a class of holomorphic invariant metrics is introduced on the irreducible classical domains of type I-IV, which are strongly pseudoconvex complex Finsler metrics in the strict sense of M. Abate and G. Patrizio[2]. These…

Differential Geometry · Mathematics 2023-04-11 Xiaoshu Ge , Chunping Zhong

This paper is the first in a series of paper where we describe the differential operators on general nonlinear metric measure spaces, namely, the Finsler spaces. We try to propose a general method for gradient estimates of the positive…

Differential Geometry · Mathematics 2024-08-02 Bin Shen

We prove Hessian comparison theorems, Laplacian comparison theorems and volume comparison theorems of Finsler manifolds under various curvature conditions. As applications, we derive Mckean type theorems for the first eigenvalue of Finsler…

Differential Geometry · Mathematics 2007-05-23 B. Y. Wu , Y. L. Xin

The aim of this article is to present a comparative review of Riemannian and Finsler geometry. The structures of cut and conjugate loci on Riemannian manifolds have been discussed by many geometers including H. Busemann, M. Berger and W.…

Differential Geometry · Mathematics 2018-11-29 Katsuhiro Shiohama , Bankteshwar Tiwari

We obtain a partial parallelism of the complex structure on K\"ahler Finsler manifolds. As applications, we prove Synge-Tsukamoto theorem and Bonnet-Myers theorem for positively curved K\"ahler Finsler manifolds. Moreover, we generalize a…

Differential Geometry · Mathematics 2022-12-27 Bin Chen , Nan Li , Siwei Liu

Finsler geometry is a well known generalization of Riemannian geometry which allows to account for a possibly non trivial structure of the space of configurations of relativistic particles. We here establish a link between Finsler geometry…

General Relativity and Quantum Cosmology · Physics 2015-01-07 Giovanni Amelino-Camelia , Leonardo Barcaroli , Giulia Gubitosi , Stefano Liberati , Niccoló Loret

We show that Lorentz-Finsler geometry offers a powerful tool in obtaining inequalities. With this aim, we first point out that a series of famous inequalities such as: the (weighted) arithmetic-geometric mean inequality, Acz\'el's,…

Differential Geometry · Mathematics 2021-05-10 Nicusor Minculete , Christian Pfeifer , Nicoleta Voicu

Finslerian extensions of Special and General Relativity -- commonly referred to as Very Special and Very General Relativity -- necessitate the development of a unified Lorentz-Finsler geometry. However, the scope of this geometric framework…

General Relativity and Quantum Cosmology · Physics 2026-03-25 Miguel Sánchez

Finsler geometry serves as a fundamental and natural extension of Riemannian geometry, providing a valuable framework for investigating Lorentz violation in spacetime. Previous studies have treated the Finsler structures associated with…

General Relativity and Quantum Cosmology · Physics 2026-01-07 Jie Zhu , Hao Li , Bo-Qiang Ma

Based on a self-contained, coordinate-free exposition of the necessary concepts and tools of spray and Finsler geometry (with detailed proofs), we derive new results among others on the consequences of the direction-independence of the…

Differential Geometry · Mathematics 2010-01-26 Zoltán Szilasi

We present our Finsler spacetime formalism which extends the standard formulation of Finsler geometry to be applicable in physics. Finsler spacetimes are viable non-metric geometric backgrounds for physics; they guarantee well defined…

General Relativity and Quantum Cosmology · Physics 2019-01-21 Christian Pfeifer , Mattias N. R. Wohlfarth

Recent links between Finsler Geometry and the geometry of spacetimes are briefly revisited, and prospective ideas and results are explained. Special attention is paid to geometric problems with a direct motivation in Relativity and other…

Differential Geometry · Mathematics 2015-06-17 Miguel A. Javaloyes , Miguel Sánchez

Modern formulation of Finsler geometry of a manifold M utilizes the equivalence between this geometry and the Riemannian geometry of VTM, the vertical bundle over the tangent bundle of M, treating TM as the base space. We argue that this…

General Relativity and Quantum Cosmology · Physics 2011-08-17 Mehrdad Panahi

In this paper, we get an inequality in terms of holomorphic sectional curvature of complex Finsler metrics. As applications, we prove a Schwarz Lemma from a complete Riemannian manifold to a complex Finsler manifold. We also show that a…

Differential Geometry · Mathematics 2019-08-21 Xueyuan Wan

In the present work, we wanted to find the possible way in order to make the equivalence between non-commutative and Finsler geometries as two useful mathematical tools. Based on this purpose, we were concerned to search this possibility by…

High Energy Physics - Theory · Physics 2019-08-19 J. Sadeghi , Z. Nekouee , A. Behzadi

We review the current status of Finsler-Lagrange geometry and generalizations. The goal is to aid non-experts on Finsler spaces, but physicists and geometers skilled in general relativity and particle theories, to understand the crucial…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Sergiu I. Vacaru