Extensions of Quasidiagonal C*-algebras and K-theory

Details Extensions of Quasidiagonal C*-algebras and K-theory Extensions of Quasidiagonal C*-algebras and K-theory

2000-08-23

arxiv.org/abs/math/0008182v1

Mathematics

Operator Algebras

Latex, 21 pages

Scientific paper

We study the extension problem for quasidiagonal (QD) C*-algebras (i.e. when is an extension of QD C*-algebras again QD?). The main positive result states that in many instances an extension will remain QD provided that a certain boundary arising from the K-theory of the extension vanishes. A K-theoretic Hahn-Banach type property is also introduced for QD C*-algebras. We show that every nuclear QD C*-algebra has this Hahn-Banach property if and only if the extension problem for many QD C*-algebras is completely determined by a boundary map on K-theory.

Affiliated with

Also associated with

No associations

Rating

Extensions of Quasidiagonal C*-algebras and K-theory does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Extensions of Quasidiagonal C*-algebras and K-theory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extensions of Quasidiagonal C*-algebras and K-theory will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-355833