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Noncommutative Jordan C*-algebras

open access: yesManuscripta Mathematica, 1982
We introduce noncommutative JB*-algebras which generalize both B*-algebras and JB*-algebras and set up the bases for a representation theory of noncommutative JB*-algebras. To this end we define noncommutative JB*-factors and study the factor representations of a noncommutative JB*-algebra.
Payá, R., Pérez, J., Rodriguez, A.
openaire   +3 more sources

Norms and noncommutative Jordan algebras [PDF]

open access: yesPacific Journal of Mathematics, 1965
The author defines \(Q\) to be a form on a vector spare \(X\) if \(Q\) is a homogeneous polynomial function on \(X\). For any rational mapping \(F\) from a space \(X_1\) into \(X_2\) let \(\partial F\) denote the differential of \(F\) and \(\partial F\,|_x\), the differential at \(x \in X_1\). Now \(\partial F\,|_x\) is a linear map and \(\partial_u F\,
openaire   +5 more sources

On Generalizations of Jacobi–Jordan Algebras

open access: yesAxioms
In this paper, we present some generalizations of Jacobi–Jordan algebras. More concretely, we will focus on noncommutative Jacobi–Jordan algebras, Malcev–Jordan algebras, and general Jacobi–Jordan algebras.
Hani Abdelwahab   +3 more
doaj   +3 more sources

Noncommutative Jordan algebras of characteristic 0 [PDF]

open access: yesProceedings of the American Mathematical Society, 1955
That is, A is flexible (a weaker condition than commutativity). If a unity element is adjoined to A in the usual fashion, then a necessary and sufficient condition that (2) be satisfied in the extended algebra is that both (2) and (3) be satisfied in A. We define a noncommutative Jordan algebra A over an arbitrary field F to be an algebra satisfying (1)
openaire   +3 more sources

Structure theory for noncommutative Jordan H∗-algebras

open access: yesJournal of Algebra, 1987
The theory of associative Hilbert algebras as developed in [\textit{W. Ambrose}, Trans. Am. Math. Soc. 57, 364-386 (1945; Zbl 0060.269)] has been extended to various classes of nonassociative algebras, among them Jordan algebras, cf. [\textit{C. Viola Devapakkiam}, Math. Proc. Camb. Philos. Soc. 78, 293-300 (1975; Zbl 0357.17015) and with \textit{P. S.
Mira, JoséAntonio Cuenca   +1 more
openaire   +4 more sources

The Algebraic and Geometric Classification of Noncommutative Jordan Algebras

open access: yesFrontiers of Mathematics
arXiv admin note: text overlap with arXiv:2406 ...
Abdelwahab, Hani   +2 more
openaire   +4 more sources

Study on Noncommutative Jordan Real Division Algebras of Dimension 8, Whose Lie Derivation Algebra Is Not Trivial

open access: yesJournal of Algebra, 1995
AbstractIn this paper we study the noncommutative Jordan real division algebras of dimension 8, whose Lie derivation algebra is nontrivial and give an affirmative answer to a question posed by Benkart and Osborn. We characterize also the noncommutative Jordan real division algebras of dimension 8, whose automorphism group is nontrivial.
openaire   +3 more sources

Flexible Algebras of Degree Two [PDF]

open access: yes, 1972
All known examples of simple flexible power-associative algebras of degree two are either commutative or noncommutative Jordan. In this paper we construct an algebra which is partially stable but not commutative and not a noncommutative Jordan algebra ...
Mayne, Joseph H
core   +1 more source

Nodal Noncommutative Jordan Algebras [PDF]

open access: yesTransactions of the American Mathematical Society, 1964
1. A finite-dimensional power-associative algebra ' is said to be nodal [6] if every element of V can be written as a I + z where ai E c 1 is the unity element of W and z is nilpotent and if the set of all nilpotent elements is not a subalgebra of W. In [3; 4], Kokoris has shown that every simple nodal noncommutative Jordan algebra of characteristic p ...
openaire   +2 more sources

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