English
Related papers

Related papers: Clifford Algebra with Mathematica

200 papers

In this short pedagogical presentation, we introduce the spin groups and the spinors from the point of view of group theory. We also present, independently, the construction of the low dimensional Clifford algebras. And we establish the…

General Relativity and Quantum Cosmology · Physics 2010-07-19 Marc Lachieze-Rey

This paper challenges some of the common assumptions underlying the mathematics used to describe the physical world. We start by reviewing many of the assumptions underlying the concepts of real, physical, rigid bodies and the translational…

Mathematical Physics · Physics 2010-05-06 Philip H. Butler , Niels G. Gresnigt , Peter F. Renaud

We consider the Clifford algebra and the Clifford group associated with any quadratic module, degenerate or not, over an arbitrary commutative ring with 1. We determine some of the important subalgebras of the Clifford algebra under some…

Group Theory · Mathematics 2021-12-10 Shaul Zemel

Grassmannians are of fundamental importance in projective geometry, algebraic geometry, and representation theory. A vast literature has grown up utilizing using many different languages of higher mathematics, such as multilinear and tensor…

General Mathematics · Mathematics 2020-01-16 Garret Sobczyk

The effect of some properties of twisted groups on the associated algebras, particularly Cayley-Dickson and Clifford algebras. It is conjectured that the Hilbert space of square-summable sequences is a Cayley-Dickson algebra.

Rings and Algebras · Mathematics 2011-07-08 John W. Bales

We discuss the relation between the q-number approach to quantum mechanics suggested by Dirac and the notion of "pregeometry" introduced by Wheeler. By associating the q-numbers with the elements of an algebra and regarding the primitive…

Quantum Physics · Physics 2009-11-13 D. J. Bohm , P. G. Davies , B. J. Hiley

Involutions of the Clifford algebra of a quadratic space induced by orthogonal symmetries are investigated.

Rings and Algebras · Mathematics 2010-06-08 M. G. Mahmoudi

Closed form expressions for a multivector exponential and logarithm are presented in real Clifford geometric algebras Cl(p,q)when n=p+q=1 (complex and hyperbolic numbers) and n=2 (Hamilton, split and conectorine quaternions). Starting from…

Mathematical Physics · Physics 2022-04-12 Adolfas Dargys , Arturas Acus

A new framework for studying superspace is given, based on methods from Clifford analysis. This leads to the introduction of both orthogonal and symplectic Clifford algebra generators, allowing for an easy and canonical introduction of a…

High Energy Physics - Theory · Physics 2007-07-20 Hendrik De Bie , Frank Sommen

Contemporary presentation of the version 1 demonstrates briefly the development of our investigations and our future goals. The improved free of difficulties in interpretation and printing errors version is presented. The 256-dimensional…

Mathematical Physics · Physics 2021-10-04 V. M. Simulik , I. Yu. Krivsky

This paper is intended to investigate Grassmann and Clifford algebras over Peano spaces, introducing their respective associated extended algebras, and to explore these concepts also from the counterspace viewpoint. The exterior…

Mathematical Physics · Physics 2012-08-27 Roldao da Rocha , Jayme Vaz,

The swing-twist decomposition is a standard routine in motion planning for humanoid limbs. In this paper the decomposition formulas are derived and discussed in terms of Clifford algebra. With the decomposition one can express an arbitrary…

Robotics · Computer Science 2015-06-19 Przemysław Dobrowolski

We introduce the Non-commutative Subset Convolution - a convolution of functions useful when working with determinant-based algorithms. In order to compute it efficiently, we take advantage of Clifford algebras, a generalization of…

Data Structures and Algorithms · Computer Science 2018-08-13 Michał Włodarczyk

Representations of Spin groups and Clifford algebras derived from the structure of qubit trees are introduced in this work. For ternary trees the construction is more general and reduction to binary trees is formally defined by deletion of…

Quantum Physics · Physics 2022-12-06 Alexander Yu. Vlasov

By viewing Clifford algebras as algebras in some suitable symmetric Gr-categories, Albuquerque and Majid were able to give a new derivation of some well known results about Clifford algebras and to generalize them. Along the same line,…

Quantum Algebra · Mathematics 2016-01-13 Tao Cheng , Hua-Lin Huang , Yuping Yang

We examine the structure of the Clifford algebra associated with a Hermitian bilinear form and apply the result to a dynamical model of the relativistic point particle. The dynamics of the particle is described by a Dirac spinor with…

High Energy Physics - Theory · Physics 2007-05-23 Kaare Borchsenius

The most familiar formalism for the description of geometry applicable to physics comprises operations among 4-component vectors and complex real numbers; few people realize that this formalism has indeed 32 degrees of freedom and can thus…

General Physics · Physics 2008-07-24 Jose B. Almeida

In this paper we consider different operators acting on Clifford algebras. We consider Reynolds operator of Salingaros' vee group. This operator average" an action of Salingaros' vee group on Clifford algebra. We consider conjugate action…

Mathematical Physics · Physics 2017-03-23 D. S. Shirokov

We first review the definition of the angle between subspaces and how it is computed using matrix algebra. Then we introduce the Grassmann and Clifford algebra description of subspaces. The geometric product of two subspaces yields the full…

Metric Geometry · Mathematics 2013-06-11 Eckhard Hitzer

In the traditional approaches to Clifford algebras, the Clifford product is evaluated by recursive application of the product of a one-vector (span of the generators) on homogeneous i.e. sums of decomposable (Grassmann), multivectors and…

Mathematical Physics · Physics 2007-05-23 Bertfried Fauser