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We study a modified version of Lerman-Whitehouse Menger-like curvature defined for m+2 points in an n-dimensional Euclidean space. For 1 <= l <= m+2 and an m-dimensional subset S of R^n we also introduce global versions of this discrete…

Functional Analysis · Mathematics 2015-11-18 Sławomir Kolasiński

In this work we develop the mathematical framework of !FTL, a new gesture recognition algorithm and we prove its convergence. Such convergence suggests to adopt a notion of shape for smooth gestures as a complex valued function. However,…

Classical Analysis and ODEs · Mathematics 2018-11-20 Lorenzo Luzzi , Paolo Roselli

Here is discussed generalization of Clifford algebras, l^n-dimensional Weyl-Clifford algebras T(n,l) with n generators t_k satisfying equation $(\sum_{k=1}^n a_k t_k)^l = \sum_{k=1}^n a_k^l$. It is originated from two basic and well known…

Mathematical Physics · Physics 2007-05-23 Alexander Yu. Vlasov

Geometric number systems, obtained by extending the real number system to include new anticommuting square roots of +1 and -1, provide a royal road to higher mathematics by largely sidestepping the tedious languages of tensor analysis and…

General Mathematics · Mathematics 2017-07-21 Garret Sobczyk

We introduce Clifford Group Equivariant Neural Networks: a novel approach for constructing $\mathrm{O}(n)$- and $\mathrm{E}(n)$-equivariant models. We identify and study the $\textit{Clifford group}$, a subgroup inside the Clifford algebra…

Machine Learning · Computer Science 2023-10-24 David Ruhe , Johannes Brandstetter , Patrick Forré

The concept of a $ C $*-algebra-valued metric space was introduced in 2014. It is a generalization of a metric space by replacing the set of real numbers by a $ C $*-algebra. In this paper, we show that $ C $*-algebra-valued metric spaces…

Functional Analysis · Mathematics 2019-01-09 Wanchai Tapanyo , Wachiraphong Ratiphaphongthon , Areerat Arunchai

Gauge fields associated to the Dirac matrix algebra used with the standard quadratic gauge field Lagrangian lead to an extended gravitational Lagrangian which includes the Einstein-Hilbert one, plus quadratic, cosmological constant and…

General Relativity and Quantum Cosmology · Physics 2016-02-08 Jean Pierre Pansart

The long standing problem of the ordering ambiguity in the definition of the Hamilton operator for a point particle in curved space is naturally resolved by using the powerful geometric calculus based on Clifford Algebra. The momentum…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Matej Pavsic

Recent developments in the construction of generalized Dirac duals have revealed, within the structure of the Clifford algebra $\mathbb{C}\otimes\mathcal{C}\ell_{1,3},$ the existence of distinct algebraic formulations of spinors duals with…

Mathematical Physics · Physics 2025-12-02 R. T. Cavalcanti , J. M. Hoff da Silva

We study briefly some properties of real Clifford algebras and identify them as matrix algebras. We then show that the representation space on which Clifford algebras act are spinors and we study in details matrix representations. The…

High Energy Physics - Theory · Physics 2007-05-23 M. Rausch de Traubenberg

Let $\mathfrak{g}$ be a Lie algebra, $E$ a vector space containing $\mathfrak{g}$ as a subspace. The paper is devoted to the \emph{extending structures problem} which asks for the classification of all Lie algebra structures on $E$ such…

Rings and Algebras · Mathematics 2014-07-01 A. L. Agore , G. Militaru

Several versions of the Fourier transform have been formulated in the framework of Clifford algebra. We present a (Clifford-Fourier) transform, constructed using the geometric properties of Clifford algebra. We show the corresponding…

Functional Analysis · Mathematics 2014-05-27 Arnoldo Bezanilla Lopez , Omar Leon Sanchez

I apply the algebraic framework developed in [1] to study geometry of hyperbolic spaces in 1, 2, and 3 dimensions. The background material on projectivised Clifford algebras and their application to Cayley-Klein geometries is described in…

Metric Geometry · Mathematics 2016-03-01 Andrey Sokolov

In this paper we give a comparison between the formulation of the concept of metric for a real vector space of finite dimension in terms of \emph{tensors} and \emph{extensors}. A nice property of metric extensors is that they have inverses…

Mathematical Physics · Physics 2016-08-16 V. V. Fernández , A. M. Moya , Waldyr A. Rodrigues

We study the general rational trigonometry of a tetrahedron, based on quadrances, spreads and solid spreads, using vector products associated to an arbitrary symmetric bilinear form over a general field, not of characteristic two. This…

Metric Geometry · Mathematics 2021-08-17 Gennady A Notowidigdo , Norman J Wildberger

The earlier approach is used for description of qubits and geometric phase parameters, the things critical in the area of topological quantum computing. The used tool, Geometric (Clifford) Algebra is the most convenient formalism for that…

General Physics · Physics 2015-02-10 Alexander M. Soiguine

The real number system is geometrically extended to include three new anticommuting square roots of plus one, each such root representing the direction of a unit vector along the orthonormal coordinate axes of Euclidean 3-space. The…

General Physics · Physics 2015-09-09 Garret Sobczyk

In this note, we mainly consider the extended Weyl algebra of two generators (u,v), that is, the algebra generated by u,v with the fundamental commutation relation. Weyl algebra is realized on the space of polynomials of u and v by defining…

Mathematical Physics · Physics 2011-09-02 Hideki Omori , Yoshiaki Maeda , Naoya Miyazaki , Akira Yoshioka

In this paper we address the problem of constructing a class of representations of Clifford algebras that can be named "alphabetic (re)presentations". The Clifford algebras generators are expressed as m-letter words written with a…

Mathematical Physics · Physics 2010-01-15 Francesco Toppan , Piet W. Verbeek

This work presents a novel class of metrics on a para-K\"{a}hler-Norden manifold $(M^{2m},F,g)$, derived from a conformal deformation of the Berger-type metric associated with the metric $g$. Initially, we examine the Levi-Civita link…

Differential Geometry · Mathematics 2025-01-16 Abderrahim Zagane , Fethi Latti