{ "id": "math/0606688", "version": "v2", "published": "2006-06-27T17:36:05.000Z", "updated": "2009-02-02T19:23:38.000Z", "title": "Classification of Extensions of Classifiable C*-algebras", "authors": [ "Soren Eilers", "Gunnar Restorff", "Efren Ruiz" ], "comment": "22 pages, Reordered some sections, an application involving graph algebras is added", "categories": [ "math.OA" ], "abstract": "We classify extensions of certain classifiable C*-algebras using the six term exact sequence in K-theory together with the positive cone of the K_0-groups of the distinguished ideal and quotient. We then apply our results to a class of C*-algebras arising from substitutional shift spaces.", "revisions": [ { "version": "v2", "updated": "2009-02-02T19:23:38.000Z" } ], "analyses": { "subjects": [ "46L35" ], "keywords": [ "classification", "classifiable", "term exact sequence", "substitutional shift spaces", "positive cone" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2006math......6688E" } } }