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Subshifts and perforation
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Julien Giol
Published/Copyright:
January 20, 2010
Abstract
We demonstrate that the perforative phenomena shown to occur among simple amenable C*-algebras by Villadsen and Toms can be realized within a dynamical framework. More specifically, we construct a minimal homeomorphism for which the K0 group of the crossed product fails to be weakly unperforated, and a minimal homeomorphism for which the crossed product has the same Elliott invariant as an A𝕋-algebra but has Cuntz semigroup which fails to be almost unperforated.
Received: 2007-12-17
Revised: 2008-09-17
Published Online: 2010-01-20
Published in Print: 2010-February
© Walter de Gruyter Berlin · New York 2010
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- Deformation quantization of surjective submersions and principal fibre bundles
- Complete moduli spaces of branchvarieties
- DG-algebras and derived A∞-algebras
- Subshifts and perforation
- On a conjecture of Atkin
- Mukai duality for gerbes with connection
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Articles in the same Issue
- Deformation quantization of surjective submersions and principal fibre bundles
- Complete moduli spaces of branchvarieties
- DG-algebras and derived A∞-algebras
- Subshifts and perforation
- On a conjecture of Atkin
- Mukai duality for gerbes with connection
- The structure of crossed products of irrational rotation algebras by finite subgroups of SL2(ℤ)
- On a conjecture of Borwein, Bradley and Broadhurst
