Results 11 to 20 of about 19,963,404 (159)

Decompositions of a C-algebra [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2006
We prove that if A is a C-algebra, then for each a∈A, Aa={x∈A/x≤a} is itself a C-algebra and is isomorphic to the quotient algebra A/θa of A where θa={(x,y)∈A×A/a∧x=a∧y}.
G. C. Rao, P. Sundarayya
doaj   +2 more sources

Boolean Algebra of C-Algebras [PDF]

open access: yesJournal of Mathematical and Fundamental Sciences, 2014
A C- algebra is the algebraic form of the 3-valued conditional logic, which was introduced by F. Guzman and C.C. Squier in 1990. In this paper, some equivalent conditions for a C- algebra to become a boolean algebra in terms of congruences are given.
Guddati C. Rao, Perumali Sundarayya
doaj   +2 more sources

On the monotone $C^*$-algebra [PDF]

open access: yes, 2022
The concrete monotone $C^*$-algebra, that is the (unital) $C^*$-algebra generated by monotone independent algebraic random variables of Bernoulli type, is characterized abstractly in terms of generators and relations and is shown to be UHF. Moreover, its
Crismale, Vitonofrio   +5 more
core   +2 more sources

Perturbations of C*-algebraic invariants [PDF]

open access: yes, 2010
Kadison and Kastler introduced a metric on the set of all C*-algebras on a fixed Hilbert space. In this paper structural properties of C*-algebras which are close in this metric are examined.
White, Stuart   +11 more
core   +1 more source

Linear Algebra and Smarandache Linear Algebra [PDF]

open access: yes, 2003
The present book, on Smarandache linear algebra, not only studies the Smarandache analogues of linear algebra and its applications, it also aims to bridge the need for new research topics pertaining to linear algebra, purely in the algebraic sense.
Vasantha, Kandasamy
core   +1 more source

Identities in the Algebra of Partial Maps [PDF]

open access: yes, 2005
We consider the identities of a variety of semigroup-related algebras modelling the algebra of partial maps. We show that the identities are intimately related to a weak semigroup deductive system and we show that the equational theory is decidable.
Marcel Jackson   +3 more
core   +1 more source

DMA:an algebra for multicriteria spatial modeling [PDF]

open access: yes, 2006
The objective of this paper is to propose a new algebra, called decision map algebra (DMA), especially devoted to multicriteria spatial modeling. DMA is a generic and context-independent modeling language inspired from map algebra and other similar ...
Chakhar, Salem, Mousseau, Vincent
core   +1 more source

G-identities For The Lie Algebra Sl2(c)

open access: yes, 2015
In this paper we study the G-identities for the Lie algebra sl2(C) over the complex field C. If sl2(C) is acted on faithfully by a finite group G then G is isomorphic to one of the following groups: Cn, Dn, A4, S4, A5.
Mattos Mortari A.D., Koshlukov P.
core   +2 more sources

Decomposable approximations of nuclear C*-algebras [PDF]

open access: yes, 2012
We show that nuclear <i>C</i><sup>*</sup>-algebras have a refined version of the completely positive approximation property, in which the maps that approximately factorize through finite dimensional algebras are convex ...
Kirchberg, E., White, S., Hirshberg, I.
core   +1 more source

On Gradings of the Operator Algebra Generated by Mapping and Multipliers [PDF]

open access: yesУчёные записки Казанского университета: Серия Физико-математические науки, 2015
The operator algebra generated by mapping on a countable set and multipliers is considered. The defined mapping induces a family of partial isometries satisfying some relations.
E.V. Patrin
doaj  

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