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相关论文: Geometry of Parallelizable Manifolds in the Contex…

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In this paper, we study Absolute Parallelism (AP-) geometry on the tangent bundle $TM$ of a manifold $M$. Accordingly, all geometric objects defined in this geometry are not only functions of the positional argument $x$, but also depend on…

微分几何 · 数学 2015-05-13 Nabil. L. Youssef , A. M. Sid-Ahmed

In this paper we provide a \emph{global} investigation of the geometry of parallelizable manifolds (or absolute parallelism geometry) frequently used for application. We discuss the different linear connections and curvature tensors from a…

广义相对论与量子宇宙学 · 物理学 2015-06-11 Nabil L. Youssef , Waleed A. Elsayed

Absolute parallelism (AP) geometry is frequently used for physical applications. Although it is wider than Riemannian geometry, it has two main defects. The first is that its path equation does not represent physical trajectories of any…

广义相对论与量子宇宙学 · 物理学 2007-05-23 M. I. Wanas

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…

微分几何 · 数学 2013-07-16 Nabil L. Youssef , Amr M. Sid-Ahmed , Ebtsam H. Taha

An absolute parallelism (AP-) space having Finslerian properties is called FAP-space. This FAP-structure is more wider than both conventional AP and Finsler structures. In the present work, more geometric objects as curvature and torsion…

广义相对论与量子宇宙学 · 物理学 2011-09-15 M. I. Wanas , Mona M. Kamal

Equations of spinning objects are obtained in Absolute Parallelism Geometry [AP], a special class of non-Riemannian geometry admitting an alternative non-vanishing curvature and torsion simultaneously. This new set of equations is the…

广义相对论与量子宇宙学 · 物理学 2018-02-13 Magd E. Kahil

In this paper, we construct a field theory unifying gravity and electromagnetism in the context of Extended Absolute Parallelism (EAP-) geometry. This geometry combines, within its structure, the geometric richness of the tangent bundle and…

广义相对论与量子宇宙学 · 物理学 2010-02-15 M. I. Wanas , Nabil L. Youssef , A. M. Sid-Ahmed

The field equation of orthodox general relativity are written in the context of a geometry with non-vanishing torsion, the Absolute Parallelism (AP) geometry. An AP-structure, with homogeneity and isotropy, is used for cosmological…

广义相对论与量子宇宙学 · 物理学 2012-11-08 M. I. Wanas , H. A. Hassan

The present work is a review of a series of papers, published in the last ten years, comprising an attempt to find a suitable avenue from geometry to quantum. It shows clearly that, any non-symmetric geometry admits some built-in quantum…

广义相对论与量子宇宙学 · 物理学 2007-05-23 M. I. Wanas

Absolute parallelism geometry is frequently used for physical applications. It has two main defects, from the point of view of applications. The first is the identical vanishing of its curvature tensor. The second is that its autoparallel…

广义相对论与量子宇宙学 · 物理学 2014-11-17 M. I. Wanas

We define and investigate a geometric object, called an associative geometry, corresponding to an associative algebra (and, more generally, to an associative pair). Associative geometries combine aspects of Lie groups and of generalized…

环与代数 · 数学 2010-05-19 Wolfgang Bertram , Michael Kinyon

We define and investigate a geometric object, called an associative geometry, corresponding to an associative algebra (and, more generally, to an associative pair). Associative geometries combine aspects of Lie groups and of generalized…

环与代数 · 数学 2010-05-31 Wolfgang Bertram , Michael Kinyon

In this paper we explore algebraic and geometric structures that arise on parallelizable manifolds. Given a parallelizable manifold $\mathbb{L}$, there exists a global trivialization of the tangent bundle, which defines a map…

环与代数 · 数学 2024-03-22 Sergey Grigorian

A teleparallel geometry is an n-dimensional manifold equipped with a frame basis and an independent spin connection. For such a geometry, the curvature tensor vanishes and the torsion tensor is non-zero. A straightforward approach to…

广义相对论与量子宇宙学 · 物理学 2021-05-14 D. D. McNutt , A. A. Coley , R. J. van den Hoogen

Riemannian and Absolute Parallelism (AP) geometries are discussed. A lavish treatment of path equations in the AP-space using the Bazanski-type Lagrangian is presented; We write down an expression that is absolutely conserved along a curve…

广义相对论与量子宇宙学 · 物理学 2017-04-19 Christian Nwachioma , Farida Tahir

The geometrical formulation of gravity is not unique and can be set up in a variety of spacetimes. Even though the gravitational sector enjoys this freedom of different geometrical interpretations, consistent matter couplings have to be…

高能物理 - 理论 · 物理学 2020-05-04 Jose Beltran Jimenez , Lavinia Heisenberg , Tomi Koivisto

Recent work has shown that two-dimensional non-linear $\sigma$-models on group manifolds with Poisson-Lie symmetry can be understood within generalised geometry as exemplars of generalised parallelisable spaces. Here we extend this idea to…

高能物理 - 理论 · 物理学 2019-12-24 Saskia Demulder , Falk Hassler , Giacomo Piccinini , Daniel C. Thompson

Generalized parallelizable spaces allow a unified treatment of consistent maximally supersymmetric truncations of ten- and eleven-dimensional supergravity in generalized geometry. Known examples are spheres, twisted tori and hyperboloides.…

高能物理 - 理论 · 物理学 2018-03-14 Pascal du Bosque , Falk Hassler , Dieter Lust

We define the notion of Y-algebroids, generalising the Lie, Courant, and exceptional algebroids that have been used to capture the local symmetry structure of type II string theory and M-theory compactifications to $D \geq 5$ dimensions.…

高能物理 - 理论 · 物理学 2024-12-02 Ondrej Hulik , Emanuel Malek , Fridrich Valach , Daniel Waldram

A path deviation equation in the Parameterized Absolute Parallelism (PAP) geometry is derived. This equation includes curvature and torsion terms. These terms are found to be naturally quantized. The equation represents the deviation from a…

广义相对论与量子宇宙学 · 物理学 2007-05-23 M. I. Wanas
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