Semiprojectivity for certain purely infinite C*-algebras

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10 Scopus citations


It is proved that classifiable simple separable nuclear purely infinite C*-algebras having finitely generated K-theory and torsion-free K1 are semiprojective. This is accomplished by exhibiting these algebras as C*-algebras of infinite directed graphs.

Original languageEnglish (US)
Pages (from-to)2805-2830
Number of pages26
JournalTransactions of the American Mathematical Society
Issue number6
StatePublished - Jun 2009


  • Graph algebra
  • Semiprojectivity
  • Simple purely infinite c-algebra

ASJC Scopus subject areas

  • General Mathematics
  • Applied Mathematics


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