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Displaying similar documents to “The partial-isometric crossed products of c 0 by the forward and backward shifts.”

BCI-homomorphisms

Yuzhong Ding, Fuguo Ge, Chenglong Wu (2008)

Formalized Mathematics

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In this article the notion of the power of an element of BCI-algebra and its period in the book [11], sections 1.4 to 1.5 are firstly given. Then the definition of BCI-homomorphism is defined and the fundamental theorem of homomorphism, the first isomorphism theorem and the second isomorphism theorem are proved following the book [9], section 1.6.MML identifier: BCIALG 6, version: 7.9.03 4.108.1028

Semi-étale groupoids and applications

Klaus Thomsen (2010)

Annales de l’institut Fourier

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We associate a C * -algebra to a locally compact Hausdorff groupoid with the property that the range map is locally injective. The construction generalizes J. Renault’s reduced groupoid C * -algebra of an étale groupoid and has the advantage that it works for the groupoid arising from a locally injective dynamical system by the method introduced in increasing generality by Renault, Deaconu and Anantharaman-Delaroche. We study the C * -algebras of such groupoids and give necessary and sufficient...