Results 31 to 40 of about 42,052 (333)

Quaternions and Special Relativity [PDF]

open access: yes, 1995
We reformulate Special Relativity by a quaternionic algebra on reals. Using {\em real linear quaternions}, we show that previous difficulties, concerning the appropriate transformations on the $3+1$ space-time, may be overcome.
De Leo S., Frobenius G., Stefano De Leo
core   +2 more sources

Quaternion Hermitian Planes [PDF]

open access: yesResults in Mathematics, 1993
The quaternion hermitian planes are defined, and are characterized by certain groups of automorphisms. For this purpose, characterizations of locally compact connected translation planes (in the context of stable planes) and compact connected projective desarguesian planes are given.
openaire   +3 more sources

Hyper-Dual Leonardo Quaternions

open access: yesJournal of New Theory
In this paper, hyper-dual Leonardo quaternions are defined and studied. Some basic properties of the hyper-dual Leonardo quaternions, including their relationships with the hyper-dual Fibonacci quaternions and hyper-dual Lucas quaternions, are analyzed ...
Tülay Yağmur
doaj   +1 more source

About special elements in quaternion algebras over finite fields

open access: yes, 2016
In this paper we study special Fibonacci quaternions and special generalized Fibonacci-Lucas quaternions in quaternion algebras over finite fields.Comment: This is a preliminary form of the ...
Savin, Diana
core   +1 more source

A note on convexity of sections of quaternionic numerical range

open access: yes, 2018
The quaternionic numerical range of matrices over the ring of quaternions is not necessarily convex. We prove Toeplitz-Hausdorff like theorem, that is, for any given quaternionic matrix every section of its quaternionic numerical range is convex.
Kumar, P. Santhosh
core   +1 more source

Quaternionic wave function [PDF]

open access: yesInternational Journal of Modern Physics A, 2019
We argue that quaternions form a natural language for the description of quantum-mechanical wave functions with spin. We use the quaternionic spinor formalism which is in one-to-one correspondence with the usual spinor language. No unphysical degrees of freedom are admitted, in contrast to the majority of literature on quaternions.
openaire   +2 more sources

Quaternion Algebras and Generalized Fibonacci–Lucas Quaternions [PDF]

open access: yesAdvances in Applied Clifford Algebras, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Flaut, Cristina, Savin, Diana
openaire   +1 more source

On fourth-order jacobsthal quaternions

open access: yesJournal of Mathematical Sciences and Modelling, 2018
In this paper, we present for the first time a sequence of quaternions of order 4 that we will call the fourth-order Jacobsthal and the fourth-order Jacobsthal-Lucas quaternions. In particular, we are interested in the generating function, Binet formula,
Gamaliel Cerda-morales
doaj   +1 more source

Obtaining the Parametric Equation of the Curve of the Sun’s Apparent Movement by Using Quaternions

open access: yesUniversal Journal of Mathematics and Applications, 2022
The purpose of this article is to express the daily and yearly apparent movement of the Sun in the same curve by using quaternions as a rotation operator.
Mustafa Helvacı   +3 more
doaj   +1 more source

Real matrix representations for the complex quaternions

open access: yes, 2013
Starting from known results, due to Y. Tian in [Ti; 00], referring to the real matrix representations of the real quaternions, in this paper we will investigate the left and right real matrix representations for the complex quaternions and we give some ...
Flaut, Cristina, Shpakivskyi, Vitalii
core   +1 more source

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