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Generalized Berwald manifolds are Finsler manifolds admitting linear connections such that the parallel transports preserve the Finslerian length of tangent vectors. By the fundamental result of the theory \cite{V5} such a linear connection…

Differential Geometry · Mathematics 2019-03-18 Csaba Vincze

Finsler geometry naturally appears in the description of various physical systems. In this review I divide the emergence of Finsler geometry in physics into three categories: as dual description of dispersion relations, as most general…

General Relativity and Quantum Cosmology · Physics 2019-11-01 Christian Pfeifer

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

Differential Geometry · Mathematics 2020-01-14 Csaba Vincze , Márk Oláh

Upon straightforward four--directional extension of the special--relativistic two--dimensional transformations to the four--dimensional case we lead to convenient totally anisotropic kinematic transformations, which prove to reveal many…

Mathematical Physics · Physics 2007-05-23 G. S. Asanov

Special class of Finsler metrics that can be decomposed to the product of two Riemannian metrics is considered. Based on such decomposition a new kind of Finsler gravity is suggested. Physical applications of Finsler decomposed metric are…

General Relativity and Quantum Cosmology · Physics 2013-03-06 Ascar K. Aringazin , Vladimir Dzhunushaliev

We show that the metrical connection can be introduced in the two-dimensional Finsler space such that entailed parallel transports along curves joining points of the underlying manifold keep the two-vector angle as well as the length of the…

Differential Geometry · Mathematics 2009-09-10 G. S. Asanov

The aim of the present paper is to construct and investigate a Finsler structure within the framework of a Generalized Absolute Parallelism space (GAP-space). The Finsler structure is obtained from the vector fields forming the…

Differential Geometry · Mathematics 2013-07-16 Nabil L. Youssef , Amr M. Sid-Ahmed , Ebtsam H. Taha

The book contains a collection of works on Riemann-Cartan and metric-affine manifolds provided with nonlinear connection structure and on generalized Finsler-Lagrange and Cartan-Hamilton geometries and Clifford structures modelled on such…

General Relativity and Quantum Cosmology · Physics 2014-11-17 S. Vacaru , P. Stavrinos , E. Gaburov , D. Gonţa

Trajectory inference investigates how to interpolate paths between observed timepoints of dynamical systems, such as temporally resolved population distributions, with the goal of inferring trajectories at unseen times and better…

Machine Learning · Computer Science 2026-03-18 Aaron Zweig , Mingxuan Zhang , David A. Knowles , Elham Azizi

An extension of Riemmann's geometry into a direction dependent geometric structure is usually described by Finsler's geometry. Historically, this construction was motivated by the well-known Riemann's quartic length element example. Quite…

Mathematical Physics · Physics 2021-07-06 Yakov Itin

This paper explores the generalized projective Riemann curvature in Finsler geometry, focusing on the properties of projectively equivalent Finsler metrics and the invariance of their curvature structures under projective transformations.…

Differential Geometry · Mathematics 2025-11-25 Nasrin Sadeghzadeh , Masoumeh Yaghoubi

The Klein-Grifone approach to global Finsler geometry is adopted. The nullity distributions of the three curvature tensors of Cartan connection are investigated. Nullity distributions concerning certain relevant special Finsler spaces are…

Differential Geometry · Mathematics 2016-10-24 Nabil L. Youssef , A. Soleiman , S. G. Elgendi

Motivated in part by the bi-gravity approach to massive gravity, we introduce and study the multimetric Finsler geometry. For the case of an arbitrary number of dimensions, we study some general properties of the geometry in terms of its…

Mathematical Physics · Physics 2023-05-03 Patrícia Carvalho , Cristian Landri , Ravi Mistry , Aleksandr Pinzul

The Klein-Grifone approach to global Finsler geometry is adopted. A global existence and uniqueness theorem for Chern connection is formulated and proved. The torsion and curvature tensors of Chern connection are derived. Some properties…

Differential Geometry · Mathematics 2014-02-04 Nabil L. Youssef , S. G. Elgendi

Spinning equations of Finslerian gravity, the counterpart of Mathisson-Papapetrou Spinning equations of motion are obtained. Two approaches of Finslerian geometries are illustrated, and their corresponding spinning equations. The…

General Relativity and Quantum Cosmology · Physics 2020-10-14 Magd E. Kahil

The theory of connections in Finsler geometry is not satisfactorily established as in Riemannian geometry. Many trials have been carried out to build up an adequate theory. One of the most important in this direction is that of Grifone ([3]…

Differential Geometry · Mathematics 2007-05-23 Nabil L. Youssef

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

We survey the geometry of Lagrange and Finsler spaces and discuss the issues related to the definition of curvature of nonholonomic manifolds enabled with nonlinear connection structure. It is proved that any commutative Riemannian geometry…

Differential Geometry · Mathematics 2016-09-07 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, it is elaborated the theory the Ricci flows for manifolds enabled with nonintegrable (nonholonomic) distributions defining nonlinear connection structures. Such manifolds provide a unified geometric arena for nonholonomic…

Differential Geometry · Mathematics 2007-05-23 Sergiu I. Vacaru