Results 11 to 20 of about 122,808 (179)

Quaternion algebras

open access: yes, 2017
This thesis deals with quaternion algebras. A quaternion algebra is a four dimensional vector space with basis 1, i, j, k and multiplication defined as i2 = a, j2 = b, ij = -ji = k.
Bečka, Pavel
core   +3 more sources

Contractions on ranks and quaternion types in clifford algebras

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2015
In this paper we consider expressions in real and complex Clifford algebras, which we call contractions or averaging. We consider contractions of arbitrary Clifford algebra element.
Dmitry S Shirokov
doaj   +2 more sources

Superderivations and Jordan superderivations of generalized quaternion algebras [PDF]

open access: yesJournal of Mahani Mathematical Research
Let $H_{\alpha,\beta}$ be the generalized quaternion algebra over a unitary commutative ring. This paper aims to consider superderivations and Jordan superderivations of $H_{\alpha,\beta}$ and hence to obtain the superalgebra $Der_{s} (H_{\alpha,\beta})$
Leila Heidari Zadeh
doaj   +3 more sources

Endotrivial modules over groups with quaternion or semi-dihedral Sylow 2-subgroup. [PDF]

open access: yes, 2013
Let G be a finite group with a Sylow 2-subgroup P which is either quaternion or semi-dihedral. Let k be an algebraically closed field of characteristic 2.
Mazza, Nadia   +2 more
core   +7 more sources

Wiener Algebra for the Quaternions [PDF]

open access: yesMediterranean Journal of Mathematics, 2015
No description ...
Alpay, Daniel   +3 more
openaire   +3 more sources

Splitting of differential quaternion algebras [PDF]

open access: yes, 2023
We study differential splitting fields of quaternion algebras with derivations. A quaternion algebra over a field $k$ is always split by a quadratic extension of $k$.
Singh, Anupam   +2 more
core   +1 more source

Hyperquaternions and physics

open access: yesSciPost Physics Proceedings, 2023
The paper develops, within a new representation of Clifford algebras in terms of tensor products of quaternions called hyperquaternions, several applications.
Patrick R. Girard, Romaric Pujol, Patrick Clarysse, Philippe Delachartre
doaj   +1 more source

Fascinating Number Sequences from Fourth Order Difference Equation Via Quaternion Algebras

open access: yesDiscussiones 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   +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

NTRU in Quaternion Algebras of Bounded Discriminant [PDF]

open access: yes, 2023
The NTRU assumption provides one of the most prominent problems on which to base post-quantum cryptography. Because of the efficiency and security of NTRU-style schemes, structured variants have been proposed, using modules.
Cong Ling, Andrew Mendelsohn
core   +3 more sources

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