Geodesic
Weak Semiprojectivity for Purely Infinite C *-Algebras
Canadian mathematical bulletin, Tome 50 (2007) no. 3, pp. 460-468

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DOI

We prove that a separable, nuclear, purely infinite, simple ${{C}^{*}}$ -algebra satisfying the universal coefficient theorem is weakly semiprojective if and only if its $K$ -groups are direct sums of cyclic groups.
DOI : 10.4153/CMB-2007-045-x
Mots-clés : 46L05, 22A22, 46L80, Kirchberg algebra, weak semiprojectivity, graph, C*-algebra 
Spielberg, Jack. Weak Semiprojectivity for Purely Infinite C *-Algebras. Canadian mathematical bulletin, Tome 50 (2007) no. 3, pp. 460-468. doi: 10.4153/CMB-2007-045-x
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     title = {Weak {Semiprojectivity} for {Purely} {Infinite} {C} {*-Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {460--468},
     year = {2007},
     volume = {50},
     number = {3},
     doi = {10.4153/CMB-2007-045-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-045-x/}
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