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Related papers: On a Class of Weakly Weighted Einstein Metrics

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In this paper, we introduce the weighted projective Ricci curvature as an extension of projective Ricci curvature introduced by Z. Shen. We characterize the class of Randers metrics of weighted projective Ricci flat curvature. We find the…

Differential Geometry · Mathematics 2019-08-27 T. Tabatabaeifar , B. Najafi , A. Tayebi

The current paper deals with some new classes of Finsler metrics with reversible geodesics. We construct weighted quasi-metrics associated with these metrics. Further, we investigate some important geometric properties of weighted…

Differential Geometry · Mathematics 2018-02-12 Gauree Shanker , Sarita Rani

In this paper, we study the Randers metrics of weakly isotropic scalar curvature. We prove that a Randers metric of weakly isotropic scalar curvature must be of isotropic $S$-curvature. Further, we prove that a conformally flat Randers…

Differential Geometry · Mathematics 2020-06-19 Xinyue Cheng , Yannian Gong

We investigate the relation between weighted quasi-metric Spaces and Finsler Spaces. We show that the induced metric of a Randers space with reversible geodesics is a weighted quasi-metric space.

Differential Geometry · Mathematics 2014-01-07 Sorin V. Sabau , Kazuhiro Shibuya , Hideo Shimada

This is a survey article on recent progress of comparison geometry and geometric analysis on Finsler manifolds of weighted Ricci curvature bounded below. Our purpose is two-fold: Give a concise and geometric review on the birth of weighted…

Differential Geometry · Mathematics 2022-06-22 Shin-ichi Ohta

In this paper, (gradient) almost Ricci solitons on Finsler measure spaces $(M, F, m)$ are introduced and investigated. We prove that $(M, F, m)$ is a gradient almost Ricci soliton if and only if the infinity-Ricci curvature Ric$_\infty$ is…

Differential Geometry · Mathematics 2024-11-11 Qiaoling Xia

In this paper, the concept of isotropic projective Ricci curvature has been investigated. By classification of Randers metric of isotropic projective Ricci curvature, it is shown that Randers metric of projective Ricci curvature is…

Differential Geometry · Mathematics 2020-02-12 Pejhman Vatandoost-Miandehi , Masoud Nikokar

We develop the theory of weighted Ricci curvature in a weighted Lorentz-Finsler framework and extend the classical singularity theorems of general relativity. In order to reach this result, we generalize the Jacobi, Riccati and Raychaudhuri…

Differential Geometry · Mathematics 2021-07-28 Yufeng Lu , Ettore Minguzzi , Shin-ichi Ohta

The study of curvature properties of homogeneous Finsler spaces with $(\alpha, \beta)$-metrics is one of the central problems in Riemann-Finsler geometry. In this paper, we consider homogeneous Finsler spaces with square metric and Randers…

Differential Geometry · Mathematics 2021-03-04 Sarita Rani , Gauree Shanker

We consider Hilbert and Funk geometries on a strongly convex domain in the Euclidean space. We show that, with respect to the Lebesgue measure on the domain, Hilbert (resp. Funk) metric has the bounded (resp. constant negative) weighted…

Differential Geometry · Mathematics 2014-03-06 Shin-ichi Ohta

In this paper, we study the weakly weighted Einstein-Finsler metrics. First, we show that weakly weighted Einstein-Kropina metrics must be of isotropic S-curvature with respect to the Busemann-Hausdorff volume form under a certain condition…

Differential Geometry · Mathematics 2022-05-30 Xinyue Cheng , Hong Cheng , Pengsheng Wu

In this paper, we use a Killing form on a Riemannian manifold to construct a class of Finsler metrics. We find equations that characterize Einstein metrics among this class. In particular, we construct a family of Einstein metrics on $S^3$…

Differential Geometry · Mathematics 2017-03-08 Xinyue Cheng , Zhongmin Shen

We study a special class of Finsler metrics which we refer to as Almost Rational Finsler metrics (shortly, AR-Finsler metrics). We give necessary and sufficient conditions for an AR-Finsler manifold $(M,F)$ to be Riemannian. The rationality…

Differential Geometry · Mathematics 2024-07-02 Ebtsam H. Taha , Bankteshwar Tiwari

This manuscript investigates the curvature and topological properties of certain $\infty$-Einstein Finsler metrics on Finsler metric measure spaces. By imposing symmetry conditions, we construct a series of special metrics and analyze their…

Differential Geometry · Mathematics 2025-07-29 Bin Shen

We establish some important inequalities under a lower weighted Ricci curvature bound on Finsler manifolds. Firstly, we establish a relative volume comparison of Bishop-Gromov type. As one of the applications, we obtain an upper bound for…

Differential Geometry · Mathematics 2021-07-16 Xinyue Cheng , Zhongmin Shen

In this paper, we introduce the weighted mixed (sectional, Ricci and scalar) curvature of a foliated (and almost-product) Riemannian manifold $(M,g)$ equipped with a vector field $X$. We define several functions ($q$th Ricci type…

Differential Geometry · Mathematics 2019-11-21 Vladimir Rovenski

The conformal properties of complex Finsler metrics are studied. We give a characterization of a compact complex Finsler manifold to be globally conformal K\"ahler. The critical points of the total holomorphic curvature and total Ricci…

Differential Geometry · Mathematics 2019-01-31 Bin Chen , Yibing Shen , Lili Zhao

In this paper, we study deeply geometric and topological properties of Finsler metric measure manifolds with the integral weighted Ricci curvature bounds. We first establish Laplacian comparison theorem, Bishop-Gromov type volume comparison…

Differential Geometry · Mathematics 2025-01-22 Xinyue Cheng , Yalu Feng

We introduce the weighted orthogonal Ricci curvature -- a two-parameter version of Ni--Zheng's orthogonal Ricci curvature. This curvature serves as a very natural object in the study of the relationship between the Ricci curvature(s) and…

Differential Geometry · Mathematics 2021-11-02 Kyle Broder , Kai Tang

In this paper, we study a class of Finsler metrics called general (\alpha,\beta)-metrics, which are defined by a Riemannian metric and an 1-form. We construct some general (\alpha,\beta)-metrics with constant Ricci curvature.

Differential Geometry · Mathematics 2013-07-02 Zhongmin Shen , Changtao Yu
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