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We prove that any twisted generalized Weyl algebra satisfying certain consistency conditions can be embedded into a crossed product. We also introduce a new family of twisted generalized Weyl algebras, called multiparameter twisted Weyl…

Rings and Algebras · Mathematics 2011-03-24 Vyacheslav Futorny , Jonas T. Hartwig

Consistency of Weyl natural gauge, Lorentz gauge and nonlinear gauge is studied in Weyl geometry. Field equations in generalized Weyl-Dirac theory show that spinless electron and photon are topological defects. Statistical metric and…

General Physics · Physics 2020-11-17 S. C. Tiwari

Let G be a connected reductive group. To any irreducible G-variety one associates a certain linear group generated by reflections called the Weyl group. Weyl groups play an important role in the study of embeddings of homogeneous spaces. We…

Algebraic Geometry · Mathematics 2010-06-03 Ivan V. Losev

The Weyl anomaly problem is treated within a purely geometrical context. Arguments are given that hint at a possible classical origin of the conformal anomaly in the Riemannian nature of the background geometry where the matter fields play…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Israel Quiros

Let g be a semisimple Lie algebra over the real numbers. We describe an explicit combinatorial construction of the real Weyl group of g with respect to a given Cartan subalgebra. An efficient computation of this Weyl group is important for…

Representation Theory · Mathematics 2019-07-03 Heiko Dietrich , Willem A. de Graaf

A generalized Weyl integrable geometry (GWIG) is obtained from simultaneous affine transformations of the tangent and cotangent bundles of a (pseudo)-Riemannian manifold. In comparison with the classical Weyl integrable geometry (CWIG),…

Mathematical Physics · Physics 2020-05-26 Fereidoun Sabetghadam

We prove, using the coordinate Bethe ansatz, the exact solvability of a model of three particles whose point-like interactions are determined by the root system of g_2. The statistics of the wavefunction are left unspecified. Using the…

Mathematical Physics · Physics 2007-05-23 N. Crampe , C. A. S. Young

A Weyl structure is usually defined by an equivalence class of pairs $({\bf g}, \boldsymbol{\omega})$ related by Weyl transformations, which preserve the relation $\nabla {\bf g}=\boldsymbol{\omega}\otimes{\bf g}$, where ${\bf g}$ and…

General Relativity and Quantum Cosmology · Physics 2019-11-01 Adria Delhom , Iarley P. Lobo , Gonzalo J. Olmo , Carlos Romero

In this study, firstly it is reviewed how the solutions of the Dirac-Weyl equation for a massless charge on the hyperboloid under perpendicular magnetic fields are obtained by using supersymmetric (SUSY) quantum mechanics methods. Then, the…

Mathematical Physics · Physics 2021-05-11 D. Demir Kızılırmak , Ş. Kuru

The paper deals with the Weyl equation which is the massless Dirac equation. We study the Weyl equation in the stationary setting, i.e. when the spinor field oscillates harmonically in time. We suggest a new geometric interpretation of the…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Olga Chervova , Dmitri Vassiliev

Necessary conditions for various algebraic types of the Weyl tensor are determined. These conditions are then used to find Weyl aligned null directions for the black ring solution. It is shown that the black ring solution is algebraically…

General Relativity and Quantum Cosmology · Physics 2008-11-26 V. Pravda , A. Pravdova

The Wheeler-DeWitt equation is obtained for Kasner-like cosmologies. Some solutions to this equation are presented for empty space, space filled with a cosmological constant and in the presence of a scalar field. We also briefly discuss a…

High Energy Physics - Theory · Physics 2007-05-23 M. Maceda

In the present work we show that planetary mean distances can be calculated through considering the Weyl geometry. We interpret the Weyl gauge field as a vector field associated with the hypercharge of the particles and apply the gauge…

General Relativity and Quantum Cosmology · Physics 2008-11-26 P. Moyassari , S. Jalalzadeh

In a paper by the authors, the associative and the Lie algebras of Weyl type $A[D]=A\otimes F[D]$ were introduced, where $A$ is a commutative associative algebra with an identity element over a field $F$ of any characteristic, and $F[D]$ is…

Quantum Algebra · Mathematics 2007-05-23 Yucai Su , Kaiming Zhao

In this note we solve the isomorphism problem for the multiparameter quantized Weyl algebras, in the case when none of the deformation parameters q_i is a root of unity, over an arbitrary field.

Rings and Algebras · Mathematics 2020-06-09 K. R. Goodearl , J. T. Hartwig

In this paper we study in detail the connection between the solutions to the Dirac and Weyl equation and the associated electromagnetic 4-potentials. First, it is proven that all solutions to the Weyl equations are degenerate, in the sense…

Solutions to the Einstein equation that represent the superposition of static isolated bodies with axially symmetry are presented. The equations nonlinearity yields singular structures (strut and membranes) to equilibrate the bodies. The…

General Relativity and Quantum Cosmology · Physics 2009-10-30 Patricio. S. Letelier , Samuel R. Oliveira

We investigated the possibility of construction the homogeneous and isotropic cosmological solutions in Weyl geometry. We derived the self-consistency condition which ensures the conformal invariance of the complete set of equations of…

General Relativity and Quantum Cosmology · Physics 2021-12-01 Victor A. Berezin , Vyacheslav I. Dokuchaev , Yury N. Eroshenko , Alexey L. Smirnov

Firstly we derive peculiar spherical Weyl solutions, using a general spherically symmetric metric due to a massive charged object with definite mass and radius. Afterwards, we present new analytical solutions for relevant cosmological…

General Relativity and Quantum Cosmology · Physics 2012-10-11 Farrin Payandeh , Mohsen Fathi

A massless electroweak theory for leptons is formulated in a Weyl space, W_4, yielding a Weyl invariant gauge dynamics allowing for conformal rescalings of the metric and all fields with nonvanishing Weyl weight together with the…

General Relativity and Quantum Cosmology · Physics 2022-10-12 Wolfgang Drechsler