AF-embeddable labeled graph $C^*$-algebras

Finiteness conditions for $C^*$-algebras like AF-embeddability, quasidiagonality, stable finiteness have been studied by many authors and shown to be equivalent for certain classes of $C^*$-algebras. For example, Schfhauser proves that these conditions are all equivalent for $C^*$-algebras of compact topological graphs, and similar results were established by Clark, an Huef, and Sims for $k$-graph algebras. If $C^*(E,\mathcal L)$ is a labeled graph $C^*$-algebra over finite alphabet, it can be viewed as a $C^*$-algebra of a compact topological graph. For these labeled graph $C^*$-algebras, we provide conditions on labeled paths and show that they are equivalent to AF-embeddability of $C^*(E,\mathcal L)$.

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