Rényi dimension and Gaussian filtering.
Rényi dimension and Gaussian filtering. II.
Projective C*-algebras.
Classifying C*-algebras via ordered, mod-p K-theory.
Extensions of certain real rank zero -algebras
G. Elliott extended the classification theory of -algebras to certain real rank zero inductive limits of subhomogeneous -algebras with one dimensional spectrum. We show that this class of -algebras is not closed under extensions. The relevant obstruction is related to the torsion subgroup of the -group. Perturbation and lifting results are provided for certain subhomogeneous -algebras.
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