Split extensions and KK-equivalences for quantum projective spaces

Francesca Arici, Sophie Emma Mikkelsen

Research output: Other contributionResearch

Abstract

We study the noncommutative topology of the C*-algebras C(CP n q ) of the quantum projective spaces within the framework of Kasparov’s bivariant K-theory. In particular, we construct an explicit KK-equivalence with the commutative algebra C n+1 . Our construction relies on showing that the extension of C∗ -algebras relating two quantum projective spaces of successive dimensions admits a splitting, which we can describe explicitly using graph algebra techniques
Original languageEnglish
Publication date25. Aug 2021
PublisherarXiv
Number of pages14
Publication statusPublished - 25. Aug 2021

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