نتایج جستجو برای: randers change

تعداد نتایج: 592429  

Journal: :General Relativity and Gravitation 2012

Journal: :Ugeskrift for laeger 1981
A Lange L P Madsen H T Lund

A 12-year retrospective study to elucidate the incidence of "fifth day fits" including 127 infants with neonatal convulsions was carried out in the Randers area of Denmark. The incidence of neonatal convulsions was 8.3/1,000 live-born infants. The etiology in 74 cases of latent and 53 cases of convulsive seizures was asphyxia (38%), intracranial hemorrhage (17%), hypoglycaemia (9%), hypocalcaem...

2007
Dariush Latifi

In this paper, we study homogeneous geodesics in homogeneous Finsler spaces. We first give a simple criterion that characterizes geodesic vectors. We show that the geodesics on a Lie group, relative to a bi-invariant Finsler metric, are the cosets of the one-parameter subgroups. The existence of infinitely many homogeneous geodesics on compact semi-simple Lie group is established. We introduce ...

2008
Dariush Latifi

In this paper, we study the set of homogeneous geodesics of a leftinvariant Finsler metric on Lie groups. We first give a simple criterion that characterizes geodesic vectors. As an application, we study some geometric properties of bi-invariant Finsler metrics on Lie groups. In particular a necessary and sufficient condition that left-invariant Randers metrics are of Berwald type is given. Fin...

Journal: :Physical review 2021

In this paper, we investigate the deflection of a charged particle moving in equatorial plane Kerr-Newman spacetime, focusing on weak field limit. To end, use Jacobi geometry, which can be described three equivalent forms, namely Randers-Finsler metric, Zermelo navigation problem, and ($n+1$)-dimensional stationary spacetime picture. Based Randers data Gauss-Bonnet theorem, utilize osculating R...

Journal: :European Physical Journal C 2021

Abstract We consider the cosmological evolution in an osculating point Barthel–Randers type geometry, which to each of space-time manifold arbitrary vector field is associated. This Finsler geometry assumed describe physical properties gravitational field, as well dynamics. For connection given by Levi-Civita associated Riemann metric. The generalized Friedmann equations are obtained considerin...

Journal: :Journal of Physics A: Mathematical and General 2006

Journal: :Publicationes Mathematicae Debrecen 2017

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