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\mathrm{C}^*-algebras associated to homeomorphisms twisted by vector bundles over finite dimensional spaces.

Authors :
Adamo, Maria Stella
Archey, Dawn E.
Forough, Marzieh
Georgescu, Magdalena C.
Jeong, Ja A.
Strung, Karen R.
Viola, Maria Grazia
Source :
Transactions of the American Mathematical Society; Mar2024, Vol. 377 Issue 3, p1597-1640, 44p
Publication Year :
2024

Abstract

In this paper we study Cuntz–Pimsner algebras associated to 퐶*-correspondences over commutative \mathrm {C}^*-algebras from the point of view of the \mathrm {C}^*-algebra classification programme. We show that when the correspondence comes from an aperiodic homeomorphism of a finite dimensional infinite compact metric space X twisted by a vector bundle, the resulting Cuntz–Pimsner algebras have finite nuclear dimension. When the homeomorphism is minimal, this entails classification of these \mathrm {C}^*-algebras by the Elliott invariant. This establishes a dichotomy: when the vector bundle has rank one, the Cuntz–Pimsner algebra has stable rank one. Otherwise, it is purely infinite. For a Cuntz–Pimsner algebra of a minimal homeomorphism of an infinite compact metric space X twisted by a line bundle over X, we introduce orbit-breaking subalgebras. With no assumptions on the dimension of X, we show that they are centrally large subalgebras and hence simple and stably finite. When the dimension of X is finite, they are furthermore \mathcal {Z}-stable and hence classified by the Elliott invariant. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00029947
Volume :
377
Issue :
3
Database :
Complementary Index
Journal :
Transactions of the American Mathematical Society
Publication Type :
Academic Journal
Accession number :
176214181
Full Text :
https://doi.org/10.1090/tran/8900