5 citations · 6 across the 3 of their papers we have counts for
5 papers
Non-cyclotomic Presentations of Modules and Prime-order Automorphisms of Kirchberg Algebras
Jack Spielberg
We prove the following theorem: let be a UCT Kirchberg algebra, and let be a prime-order automorphism of , with in case is unital. Then is…
Graph-Based Models for Kirchberg Algebras
Jack Spielberg
We give a construction of Kirchberg algebras from graphs. By using product graphs in the construction we are able to provide models for general (UCT) Kirchberg algebras while maint…
Weak semiprojectivity for purely infinite C*-algebras
Jack Spielberg
We prove that a simple, separable, nuclear, purely infinite classifiable -algebra is weakly semiprojective if and only if its -groups are direct sums of cyclic groups.
Semiprojectivity for certain purely infinite C*-algebras
Jack Spielberg
It is proved that classifiable simple separable nuclear purely infinite C*-algebras having finitely generated K-theory and torsion-free K_1 are semiprojective. This is accomplished…
A functorial approach to the C*-algebras of a graph
Jack Spielberg
A functor from the category of directed trees with inclusions to the category of commutative C*-algebras with injective *-homomorphisms is constructed. This is used to define a fun…