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相关论文: Conformal $\beta$- change in Finsler spaces

200 篇论文

The Gepner model (2)^4 describes the sigma model of the Fermat quartic K3 surface. Moving through the nearby moduli space using conformal perturbation theory, we investigate how the conformal weights of its fields change at first and second…

高能物理 - 理论 · 物理学 2026-01-30 Christoph A. Keller

The aim of the present paper is to provide an intrinsic investigation of projective changes in Finlser geometry, following the pullback formalism. Various known local results are generalized and other new intrinsic results are obtained.…

微分几何 · 数学 2013-04-29 Nabil L. Youssef , S. H. Abed , A. Soleiman

We investigate a conformal-like transformation for which the spacetime interval is invariant.

综合物理 · 物理学 2018-09-24 D. N. Coumbe

The Finsler-relativistic metric function $F(g;R)$ and the associated Hamiltonian function $H(g;P)$, being considered together with explicit Finslerian special-relativistic kinematic transformations, give rise to a self-consistent and…

高能物理 - 唯象学 · 物理学 2007-05-23 G. S. Asanov

A finitely-additive measure $\lambda $ on an infinite-dimensional real Hilbert space $E$ which is invariant with respect to shifts and orthogonal mappings has been defined. This measure can be considered as the analog of the Lebesgue…

泛函分析 · 数学 2021-09-28 Vsevolod Sakbaev

We show that in dimension 2 every Finsler metric with at least 3-dimensional Lie algebra of projective vector fields is locally projectively equivalent to a Randers metric. We give a short list of such Finsler metrics which is complete up…

微分几何 · 数学 2019-08-08 Julius Lang

Recently, we have studied the Finsler space with h-Matsumoto change and found Cartan connection for the transformed space [2]. In this paper, we have discussed certain geometrical properties of the hypersurface of a Finsler space for the…

微分几何 · 数学 2022-05-10 M. K. Gupta , Suman Sharma

Conformally compactified (3+1)-dimensional Minkowski spacetime may be identified with the projective light cone in (4+2)-dimensional spacetime. In the latter spacetime the special conformal group acts via rotations and boosts, and conformal…

高能物理 - 理论 · 物理学 2017-01-05 Steven Duplij , Gerald A. Goldin , Vladimir Shtelen

In this paper we show that for an invariant $(\alpha,\beta)-$metric $F$ on a homogeneous Finsler manifold $\frac{G}{H}$, induced by an invariant Riemannian metric $\tilde{a}$ and an invariant vector field $\tilde{X}$, the vector…

微分几何 · 数学 2015-07-09 Mojtaba Parhizkar , Hamid Reza Salimi Moghaddam

This paper is a continuation of our investigation of the anisotropic conformal change of a conic pseudo-Finsler surface $(M,F)$, namely, the change $\overline{F}(x,y)=e^{\phi(x,y)}F(x,y)$ \cite{first paper}. We obtain the relationship…

微分几何 · 数学 2025-03-12 Nabil L. Youssef , S. G. Elgendi , A. A. Kotb , Ebtsam H. Taha

The circular $\beta$ ensemble for $\beta =1,2$ and 4 corresponds to circular orthogonal, unitary and symplectic ensemble respectively as introduced by Dyson. The statistical state of the eigenvalues is then a determinantal point process…

数学物理 · 物理学 2025-09-08 Peter J. Forrester , Bo-Jian Shen

We show that if a Finsler space is conformally automorphic to a Riemannian space and the automorphism is positively homogeneous with respect to tangent vectors, then the indicatrix of the Finsler space is a space of constant curvature. In…

微分几何 · 数学 2010-09-08 G. S. Asanov

In this manuscript, a conformally invariant theory of gravitation in the context of metric measure space is studied. The proposed action is invariant under both diffeomorphism and conformal transformations. Using the variational method, a…

广义相对论与量子宇宙学 · 物理学 2015-10-06 Nafiseh Rahmanpour , Hossein Shojaie

In this study a rotationally and translationally invariant metric in Finsler space is investigated. We choose to rewrite the metric in Riemanian space by increasing the dimension of space-time and introducing additional coordinates such…

广义相对论与量子宇宙学 · 物理学 2010-11-19 Metin Arik , Dilek Ciftci

The main objective of this paper is to study semi-concurrent vector fields on a Finsler manifold. We show that the quasi-$C$-reducible Finsler space, $C3$-like Finsler space, $C^{h}$-recurrent Finsler space, and $P2$-like Finsler space are…

微分几何 · 数学 2024-11-12 M. R. Rajeshwari , S. K. Narasimhamurthy , H. M. Manjunatha

We study several problems concerning conformal transformation on metric measure spaces, including the Sobolev space, the differential structure and the curvature-dimension condition under conformal transformations. This is the first result…

度量几何 · 数学 2021-08-17 Bang-Xian Han

We remark on the existence of non-linearly realized conformal symmetries for scalar adiabatic perturbations in cosmology. These conformal symmetries are present for any cosmological background, beyond any slow-roll or quasi-de Sitter…

高能物理 - 理论 · 物理学 2012-08-21 Kurt Hinterbichler , Lam Hui , Justin Khoury

Berwald geometries are Finsler geometries close to (pseudo)-Riemannian geometries. We establish a simple first order partial differential equation as necessary and sufficient condition, which a given Finsler Lagrangian has to satisfy to be…

微分几何 · 数学 2021-10-12 Christian Pfeifer , Sjors Heefer , Andrea Fuster

By performing required evaluations, we show that in the Finsleroid-regular space the Landsberg-space condition just degenerates to the Berwald-space condition (at any dimension number $N\ge2$). Simple and clear expository representations…

微分几何 · 数学 2008-01-31 G. S. Asanov

The paper consider the symmetric of Finsler spaces. We give some conditions about globally symmetric Finsler spaces. Then we prove that these spaces can be written as a coset space of Lie group with an invariant Finsler metric. Finally, we…

微分几何 · 数学 2011-01-25 R. Chavosh Khatamy , R . Esmaili