2017
DOI: 10.1090/proc/13745
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Uniqueness theorems for topological higher-rank graph 𝐶*-algebras

Abstract: Abstract. We consider the boundary-path groupoids of topological higher-rank graphs. We give a direct limit decomposition of the algebra of continuous functions vanishing at infinity on the unit space, and show that the groupoid is amenable. We use these results to prove versions of the gauge-invariant uniqueness theorem and the Cuntz-Krieger uniqueness theorem for the associated C * -algebras.

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Cited by 10 publications
(12 citation statements)
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“…Every UCT Kirchberg algebra has a Cartan subalgebra. That follows from [9, Thereom C] and [28,29], see also [21]. As every separable, nuclear C*-algebra is KK-equivalent to a Kirchberg algebra by [10, Theorem I], we therefore conclude that the UCT problem has a positive answer if and only if every Kirchberg algebra admits a Cartan subalgebra.…”
Section: Preliminariesmentioning
confidence: 57%
“…Every UCT Kirchberg algebra has a Cartan subalgebra. That follows from [9, Thereom C] and [28,29], see also [21]. As every separable, nuclear C*-algebra is KK-equivalent to a Kirchberg algebra by [10, Theorem I], we therefore conclude that the UCT problem has a positive answer if and only if every Kirchberg algebra admits a Cartan subalgebra.…”
Section: Preliminariesmentioning
confidence: 57%
“…Unlike [13] and [15], we do not require our graphs to be countable. More general versions are described in [9,12,18,26]. Define…”
Section: Preliminariesmentioning
confidence: 99%
“…They are also very useful for studying structural properties like primeness and simplicity. Appropriate versions of these theorems have been proved not just for Leavitt path algebras but also (and we refer to [30,31,58,61]) for graph C * -algebras, as well as Cohn path algebras, higher-rank graph algebras, and even algebras of topological higher-rank graphs.…”
Section: 2mentioning
confidence: 99%
“…The construction was later generalised in a number of different directions, taking a route through inverse semigroup theory [57], and going as far as topological higher-rank graphs (e.g. [49,61,71]…”
mentioning
confidence: 99%