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A groupoid approach to C*-algebras
Jean Renault
- 01 Jan 1980
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About: The article was published on 01 Jan 1980. and is currently open access. The article focuses on the topics: Groupoid algebra & Double groupoid.
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Citations
Construction and pure infiniteness of $C^*$-algebras associated with lambda-graph systems
TL;DR: In this article, a sub Fock Hilbert space associated with a labeled Bratteli diagram with shift transformation was constructed by using both creation operators and projections on a sub-Fock Hilbert Space associated with the graph system and a new irreducible condition was introduced.
General Covariance, Artificial Gauge Freedom and Empirical Equivalence
James Brian Pitts
- 23 Apr 2008
TL;DR: In this article, the authors provide case studies for empirical equivalence of Proca's electromagnetism with some nonzero photon mass, a family of rivals to James Brian Pitts Maxwell's theory.
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Schwinger's Picture of Quantum Mechanics II: Algebras and Observables
TL;DR: In this paper, the dynamical aspects of quantum mechanics are analyzed and the algebra generated by the observables, as well as the notion of state, are dicussed and the structure of the transition functions, that plays an instrumental role in Schwinger's picture, is elucidated.
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•Posted Content
Exhausting families of representations and spectra of pseudodifferential operators
Victor Nistor,Nicolas Prudhon +1 more
TL;DR: In this paper, the authors introduce the concept of exhausting families of representations of a C*-algebra A, which is a powerful tool in the study of spectral theory of (pseudo)differential operators and of their Fredholmness.
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