Results 81 to 90 of about 14,642,230 (161)

A Verified Algebra for Linked Data

open access: yes, 2011
A foundation is investigated for the application of loosely structured data on the Web. This area is often referred to as Linked Data, due to the use of URIs in data to establish links.
Ross Horne   +3 more
core   +1 more source

(APD)–property of $C^*$–algebras by extensions of $C^*$–algebras with (APD) [PDF]

open access: yesProceedings of the American Mathematical Society, 2006
Summary: A unital \(C^*\)-algebra \({\mathcal A}\) is said to have the (APD)-property if every nonzero element in \({\mathcal A}\) has an approximate polar decomposition. Let \({\mathcal J}\) be a closed ideal of \({\mathcal A}\). Suppose that \(\widetilde {\mathcal J}\) and \({\mathcal A}/{\mathcal J}\) have (APD).
openaire   +2 more sources

Computer algebra and transputers applied to the finite element method [PDF]

open access: yes, 1992
Recent developments in computing technology have opened new prospects for computationally intensive numerical methods such as the finite element method.
Barbier, Christine, Barbier, C
core  

On nuclear C∗-algebras

open access: yesJournal of Functional Analysis, 1973
AbstractA C∗-algebra is called nuclear if there is a unique way of forming its tensor product with any other C∗-algebra. Takesaki [17] showed that all C∗-algebras of type I and all inductive limits of such algebras are nuclear, but that the C∗-algebra Cr∗(G) generated by the left regular representation of G on l2(G) is nonnuclear, where G is the free ...
openaire   +2 more sources

Set Theory and C*-Algebras [PDF]

open access: yesBulletin of Symbolic Logic, 2007
AbstractWe survey the use of extra-set-theoretic hypotheses, mainly the continuum hypothesis, in the C*-algebra literature. The Calkin algebra emerges as a basic object of interest.
openaire   +3 more sources

Algebra and technology: Emerging issues

open access: yes, 2001
Although there are a number of technologies related to school algebra, it is only the personal technology of the graphics calculator that seems likely to be available widely enough to influence curriculum design and implementation on a large scale.
Kissane, B.
core  

Representations up to homotopy of Lie algebroids [PDF]

open access: yes, 2011
We introduce and study the notion of representation up to homotopy of a Lie algebroid, paying special attention to examples. We use representations up to homotopy to define the adjoint representation of a Lie algebroid and show that the resulting ...
Marius Crainic   +7 more
core   +1 more source

Graphics calculators and algebra

open access: yes, 1999
The personal technology of the graphics calculator is presently the only one likely to be available widely enough to influence curriculum design and implementation on a large scale.
Kissane, B.
core  

Boolean Algebra of C-Algebras

open access: yes, 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.
Rao, Guddati C., Sundarayya, Perumali
core   +1 more source

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