Results 21 to 30 of about 42,052 (333)

Unrestricted Tribonacci and Tribonacci–Lucas quaternions [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2023
We define a generalization of Tribonacci and Tribonacci–Lucas quaternions with arbitrary Tribonacci numbers and Tribonacci–Lucas numbers coefficients, respectively. We get generating functions and Binet's formulas for these quaternions.
Gonca Kızılaslan, Leyla Karabulut
doaj   +1 more source

C. S. Peirce and the Square Root of Minus One: Quaternions and a Complex Approach to Classes of Signs and Categorical Degeneration [PDF]

open access: yes, 2017
The beginning for C. S. Peirce was the reduction of the traditional categories in a list composed of a fundamental triad: quality, respect and representation.
Venancio, Rafael Duarte Oliveira
core   +1 more source

Dual Jacobsthal Quaternions

open access: yesCommunications in Advanced Mathematical Sciences, 2020
In this paper, dual Jacobsthal quaternions were defined. Also, the relations between dual Jacobsthal quaternions which connected with Jacobsthal and Jacobsthal-Lucas numbers were investigated. Furthermore, Binet's formula, Honsberger identity, D'ocagne'
Fügen Torunbalcı Aydın
doaj   +1 more source

On Recursive Hyperbolic Fibonacci Quaternions

open access: yesCommunications in Advanced Mathematical Sciences, 2021
Many quaternions with the coefficients selected from special integer sequences such as Fibonacci and Lucas sequences have been investigated by a great number of researchers.
Ahmet Daşdemir
doaj   +1 more source

Adaptive pose and inertial parameters estimation of free-floating tumbling space objects using dual vector quaternions

open access: yesAdvances in Mechanical Engineering, 2017
The robust parameter estimation of unknown space objects is essential to the on-orbit servicing missions. Based on the adaptive filtering techniques along with the dual quaternions modeling methods for pose estimation, this article proposes a dual vector
Xianghao Hou   +3 more
doaj   +1 more source

On the Hyperbolic Leonardo and Hyperbolic Francois Quaternions

open access: yesJournal of New Theory, 2023
In this paper, we present a new definition, referred to as the Francois sequence, related to the Lucas-like form of the Leonardo sequence. We also introduce the hyperbolic Leonardo and hyperbolic Francois quaternions.
Paula Maria Machado Cruz Catarino   +2 more
doaj   +1 more source

The vector algebra war: a historical perspective [PDF]

open access: yes, 2016
There are a wide variety of different vector formalisms currently utilized in engineering and physics. For example, Gibbs' three-vectors, Minkowski four-vectors, complex spinors in quantum mechanics, quaternions used to describe rigid body rotations and ...
Abbott, Derek   +3 more
core   +2 more sources

Quaternion lattices and quaternion fields

open access: yesArchiv der Mathematik, 2023
AbstractLet $$Q_8$$ Q 8 be the quaternion group of order 8 and $${\chi }$$ χ its faithful irreducible character. Then $${\chi }$$ χ can be realized over certain imaginary quadratic number ...
openaire   +2 more sources

Ternary numbers and algebras. Reflexive numbers and Berger graphs [PDF]

open access: yes, 2006
The Calabi-Yau spaces with SU(m) holonomy can be studied by the algebraic way through the integer lattice where one can construct the Newton reflexive polyhedra or the Berger graphs.
Dubrovskiy, A., Volkov, G.
core   +3 more sources

On Quaternion-Gaussian Fibonacci Numbers and Their Properties

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
We study properties of Gaussian Fibonacci numbers. We start with some basic identities. Thereafter, we focus on properties of the quaternions that accept gaussian Fibonacci numbers as coefficients.
Halici Serpil, Cerda-Morales Gamaliel
doaj   +1 more source

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