Results 1 to 10 of about 3,743 (118)

Noncommutative jordan algebras with commutators satisfying an alternativity condition. [PDF]

open access: yesProc Natl Acad Sci U S A, 1970
The theorems of this paper show that the main results in the structure and representation theory of Jordan algebras and of alternative algebras are valid for a larger class of algebras defined by simple identities which obviously hold in the Jordan and alternative cass. A new unification of the Jordan and associative theories is also achieved.
Block RE.
europepmc   +7 more sources

Noncommutative topology and Jordan operator algebras [PDF]

open access: yesMathematische Nachrichten, 2018
Jordan operator algebras are norm-closed spaces of operators on a Hilbert space with $a^2 \in A$ for all $a \in A$. We study noncommutative topology, noncommutative peak sets and peak interpolation, and hereditary subalgebras of Jordan operator algebras.
Blecher, David P., Neal, Matthew
core   +2 more sources

Noncommutative matrix Jordan algebras [PDF]

open access: yesTransactions of the American Mathematical Society, 1992
We consider noncommutative degree two Jordan algebras J \mathcal {J} of two by two matrices whose off diagonal entries are from an anticommutative algebra S \mathcal {S} . We give generators and relations for the automorphism group of J \mathcal {J} and determine ...
Brown, Robert B., Hopkins, Nora C.
openaire   +1 more source

The standard model, the Pati–Salam model, and ‘Jordan geometry’

open access: yesNew Journal of Physics, 2020
We argue that the ordinary commutative and associative algebra of spacetime coordinates (familiar from general relativity) should perhaps be replaced, not by a noncommutative algebra (as in noncommutative geometry), but rather by a Jordan algebra ...
Latham Boyle, Shane Farnsworth
doaj   +1 more source

Derived categories of hearts on Kuznetsov components

open access: yesJournal of the London Mathematical Society, Volume 108, Issue 6, Page 2146-2174, December 2023., 2023
Abstract We prove a general criterion that guarantees that an admissible subcategory K$\mathcal {K}$ of the derived category of an abelian category is equivalent to the bounded derived category of the heart of a bounded t‐structure. As a consequence, we show that K$\mathcal {K}$ has a strongly unique dg enhancement, applying the recent results of ...
Chunyi Li, Laura Pertusi, Xiaolei Zhao
wiley   +1 more source

Algebraic Techniques for Canonical Forms and Applications in Split Quaternionic Mechanics

open access: yesJournal of Mathematics, Volume 2023, Issue 1, 2023., 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 forms of a split quaternion matrix and derives algebraic techniques for finding the canonical forms
Tongsong Jiang   +5 more
wiley   +1 more source

Primitive Noncommutative Jordan Algebras with Nonzero Socle [PDF]

open access: yesProceedings of the American Mathematical Society, 1986
Let A A be a nondegenerate noncommutative Jordan algebra over a field K K of characteristic ≠ 2 \ne 2 . Defining the socle S ( A ) S(A) of A A to be the socle of the plus algebra A +
Fernández López, Antonio   +1 more
openaire   +2 more sources

Characteristics of Regular Functions Defined on a Semicommutative Subalgebra of 4‐Dimensional Complex Matrix Algebra

open access: yesJournal of Mathematics, Volume 2021, Issue 1, 2021., 2021
In this paper, we give an extended quaternion as a matrix form involving complex components. We introduce a semicommutative subalgebra ℂ(ℂ2) of the complex matrix algebra M(4, ℂ). We exhibit regular functions defined on a domain in ℂ4 but taking values in ℂ(ℂ2).
Ji Eun Kim, V. Ravichandran
wiley   +1 more source

A characterization of nilpotent nonassociative algebras by invertible Leibniz-derivations [PDF]

open access: yes, 2016
Moens proved that a finite-dimensional Lie algebra over field of characteristic zero is nilpotent if and only if it has an invertible Leibniz-derivation.
Kaygorodov, Ivan, Popov, Yury
core   +2 more sources

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