Results 1 to 10 of about 42 (42)

Comparison Theorems on Weighted Finsler Manifolds and Spacetimes with ϵ-Range

open access: yesAnalysis and Geometry in Metric Spaces, 2022
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 weight function.
Lu Yufeng   +2 more
doaj   +1 more source

Eigenfunctions in Finsler Gaussian solitons

open access: yesOpen Mathematics, 2023
Gaussian solitons are important examples in the theory of Riemannian measure space. In the first part, we explicitly characterize the first eigenfunctions of the drift Laplacian in a Gaussian shrinking soliton, which shows that apart from each coordinate
Liu Caiyun, Yin Songting
doaj   +1 more source

Certain Conditions for a Finsler Manifold to Be Isometric with a Finsler Sphere

open access: yesAnalysis and Geometry in Metric Spaces, 2022
We show that if there is a smooth function f on a Finsler n-space M satisfying Δ2f = −kfgΔf for a positive constant k, then M is diffeomorphic with the n-sphere 𝕊n, where g denotes the weighted Riemannian metric.
Yin Songting, Wang Huarong
doaj   +1 more source

Connecting and Closed Geodesics of a Kropina Metric

open access: yesAdvanced Nonlinear Studies, 2021
We prove some results about existence of connecting and closed geodesics in a manifold endowed with a Kropina metric. These have applications to both null geodesics of spacetimes endowed with a null Killing vector field and Zermelo’s navigation problem ...
Caponio Erasmo   +3 more
doaj   +1 more source

A Note on Finsler Version of Calabi‐Yau Theorem

open access: yesAdvances in Mathematical Physics, Volume 2018, Issue 1, 2018., 2018
We generalize Calabi‐Yau’s linear volume growth theorem to Finsler manifold with the weighted Ricci curvature bounded below by a negative function and show that such a manifold must have infinite volume.
Songting Yin   +3 more
wiley   +1 more source

The warped product of holomorphic Lie algebroids

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2020
We introduce the warped product of two holomorphic Finsler algebroids and we define a complex Finsler function on it. We study the Chern-Finsler connections of the bundles and of their product and we investigate their curvatures.
Ionescu Alexandru, Munteanu Gheorghe
doaj   +1 more source

Nonlinear connections and spinor geometry

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 23, Page 1189-1237, 2004., 2004
We present an introduction to the geometry of higher‐order vector and covector bundles (including higher‐order generalizations of the Finsler geometry and Kaluza‐Klein gravity) and review the basic results on Clifford and spinor structures on spaces with generic local anisotropy modeled by anholonomic frames with associated nonlinear connection ...
Sergiu I. Vacaru, Nadejda A. Vicol
wiley   +1 more source

Deformation of complex Finsler metrics

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2018
The aim of this paper is to describe the infinitesimal deformation (M, V) of a complex Finsler space family {(M, Lt)}t∈ℝ and to study some of its geometrical objects (metric tensor, non-linear connection, etc).
Szász-Friedl Annamária
doaj   +1 more source

Randers manifolds of positive constant curvature

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 18, Page 1155-1165, 2003., 2003
We prove that any simply connected and complete Riemannian manifold, on which a Randers metric of positive constant flag curvature exists, must be diffeomorphic to an odd‐dimensional sphere, provided a certain 1‐form vanishes on it.
Aurel Bejancu, Hani Reda Farran
wiley   +1 more source

On generalized P-reducible Finsler manifolds

open access: yesOpen Mathematics, 2018
The class of generalized P-reducible manifolds (briefly GP-reducible manifolds) was first introduced by Tayebi and his collaborates [1]. This class of Finsler manifolds contains the classes of P-reducible manifolds, C-reducible manifolds and Landsberg ...
Zamanzadeh Seyyed Mohammad   +2 more
doaj   +1 more source

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