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Blackadar–Kirchberg conjecture on quasidiagonality of stably finite nuclear algebras
Let $A$ be a $C^*$ -algebra. Blackadar–Kirchberg conjecture. If $A$ is separable, stably finite and nuclear, then $A$ is quasidiagonal. This conjecture concerns the converse to the…
Conjecturerefutedc-star-algebras operator-algebras quasidiagonal-algebrasarXiv posted 2 days ago
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Quasidiagonality of extensions of quasidiagonal $C^*$ -algebras
Let $I$ , $A$ , and $B$ be $C^*$ -algebras in a short exact sequence … Assume that $I$ and $B$ are separable, nuclear, and quasidiagonal. Extension quasidiagonality conjecture. Then…
Problemrefutedc-star-extensions operator-algebras quasidiagonal-algebrasarXiv posted 2 days ago

Blackadar–Kirchberg conjecture on quasidiagonality of stably finite nuclear algebras