Results 21 to 30 of about 240,116 (294)

RKHS Representations for Augmented Quaternion Random Signals: Application to Detection Problems

open access: yesMathematics, 2022
The reproducing kernel Hilbert space (RKHS) methodology has shown to be a suitable tool for the resolution of a wide range of problems in statistical signal processing both in the real and complex domains.
Antonia Oya
doaj   +1 more source

Wiener Algebra for the Quaternions [PDF]

open access: yesMediterranean Journal of Mathematics, 2015
We define and study the counterpart of the Wiener algebra in the quaternionic setting, both for the discrete and continuous case. We prove a Wiener-Lévy type theorem and a factorization theorem. We give applications to Toeplitz and Wiener-Hopf operators.
Alpay, Daniel   +3 more
openaire   +3 more sources

A Comparative Study of Three Inverse Kinematic Methods of Serial Industrial Robot Manipulators in the Screw Theory Framework

open access: yesInternational Journal of Advanced Robotic Systems, 2011
In this paper, we compare three inverse kinematic formulation methods for the serial industrial robot manipulators. All formulation methods are based on screw theory.
Emre Sariyildiz   +2 more
doaj   +2 more sources

Advancement in Color Image Processing using Geometric Algebra [PDF]

open access: yes, 2008
This paper describes an advancement in color image processing, using geometric algebra. This is achieved using a compact representation of vectors within $n$ dimensional space. Geometric Algebra (GA) is a preferred framework for signal representation and
Mishra, Biswajit   +2 more
core   +2 more sources

Algebraic Techniques for Canonical Forms and Applications in Split Quaternionic Mechanics

open access: yesJournal of Mathematics, 2023
The algebra of split quaternions is a recently increasing topic in the study of theory and numerical computation in split quaternionic mechanics. This paper, by means of a real representation of a split quaternion matrix, studies the problem of canonical
Tongsong Jiang   +4 more
doaj   +1 more source

Bounds on the levels of composition algebras [PDF]

open access: yes, 2010
Certain families of quaternion and octonion algebras are conjectured to be of level and sublevel n. A proof of this conjecture is offered in the case where n is a power of two. Hoffmann's proof of the existence of infinitely many new values for the level
James O'Shea   +2 more
core   +1 more source

Unitary Diagonalization of the Generalized Complementary Covariance Quaternion Matrices with Application in Signal Processing

open access: yesMathematics, 2023
Let H denote the quaternion algebra. This paper investigates the generalized complementary covariance, which is the ϕ-Hermitian quaternion matrix. We give the properties of the generalized complementary covariance matrices.
Zhuo-Heng He   +2 more
doaj   +1 more source

The connective K theory of semidihedral groups [PDF]

open access: yes, 2010
The real connective K-homology of finite groups ko¤(BG), plays a big role in the Gromov-Lawson-Rosenberg (GLR) conjecture. In order to compute them, we can calculate complex connective K-cohomology, ku¤(BG), first and then follow by computing complex ...
Rodtes, Kijti
core   +7 more sources

Review of Quaternion Differential Equations: Historical Development, Applications, and Future Direction

open access: yesAxioms, 2023
Quaternion is a four-dimensional and an extension of the complex number system. It is often viewed from various fields, such as analysis, algebra, and geometry.
Alit Kartiwa   +3 more
doaj   +1 more source

Levels and sublevels of composition algebras [PDF]

open access: yes, 2007
Lewis' and Leep's bounds on the level and sublevel of quaternion algebras are extended to the class of composition algebras. Some simple constructions of composition algebras of known level values are given.
O'Shea, James
core   +1 more source

Home - About - Disclaimer - Privacy