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Smoothing method for unit quaternion time series in a classification problem: an application to motion data [PDF]

open access: yesScientific Reports, 2023
Smoothing orientation data is a fundamental task in different fields of research. Different methods of smoothing time series in quaternion algebras have been described in the literature, but their application is still an open point. This paper develops a
Elena Ballante   +4 more
doaj   +2 more sources

Existence of Split Property in Quaternion Algebra Over Composite of Quadratic Fields [PDF]

open access: goldCauchy: Jurnal Matematika Murni dan Aplikasi, 2023
Quaternions are extensions of complex numbers that are four-dimensional objects. Quaternion consists of one real number and three complex numbers, commonly denoted by the standard vectors  and .
Muhammad Faldiyan   +2 more
doaj   +2 more sources

PERIOD IDENTITIES OF CM FORMS ON QUATERNION ALGEBRAS [PDF]

open access: yesForum of Mathematics, Sigma, 2020
Waldspurger’s formula gives an identity between the norm of a torus period and an $L$-function of the twist of an automorphic representation on GL(2).
CHARLOTTE CHAN
doaj   +2 more sources

Selectivity in Quaternion Algebras [PDF]

open access: greenJournal of Number Theory, 2010
We prove an integral version of the classical Albert-Brauer-Hasse-Noether theorem regarding quaternion algebras over number fields. Let $\mathfrak A$ be a quaternion algebra over a number field $K$ and assume that $\mathfrak A$ satisfies the Eichler condition; that is, there exists an archimedean prime of $K$ which does not ramify in $\mathfrak A$. Let
Benjamin Linowitz
openalex   +3 more sources

Explicit isomorphisms of quaternion algebras over quadratic global fields [PDF]

open access: greenResearch in Number Theory, 2020
Let L be a separable quadratic extension of either Q\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength ...
Tímea Csahók   +3 more
openalex   +3 more sources

About special elements in quaternion algebras over finite fields [PDF]

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   +2 more sources

An algorithm for the principal ideal problem in indefinite quaternion algebras [PDF]

open access: greenLMS J. Comput. Math., 2014
Deciding whether an ideal of a number field is principal and finding a generator is a fundamental problem with many applications in computational number theory.
Aurel Page
openalex   +2 more sources

Fascinating Number Sequences from Fourth Order Difference Equation Via Quaternion Algebras

open access: diamondDiscussiones Mathematicae - General Algebra and Applications, 2021
The balancing and Lucas-balancing numbers are solutions of second order recurrence relations. A linear combination of these numbers can also be obtained as solutions of a fourth order recurrence relation.
Patra Asim
doaj   +2 more sources

Hypercomplex neural networks: Exploring quaternion, octonion, and beyond in deep learning [PDF]

open access: yesMethodsX
Hypercomplex Neural Networks (HNNs) represent the next frontier in deep learning, building on the mathematical theory of quaternions, octonions, and higher-dimensional algebras to generalize conventional neural architectures.
Raghavendra M Devadas   +5 more
doaj   +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   +2 more sources

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