New York Journal of Mathematics
Volume 11 (2005) 649-658


Matthew Johnson

The graph traces of finite graphs and applications to tracial states of C*-algebras

Published: December 18, 2005
Keywords: C*-algebras, directed graph, trace, tracial state, convex set
Subject: 46L55

We determine the extreme points of the set of graph traces of norm one for any finite graph E satisfying Condition (K). We also describe an application to the space of tracial states on the graph C*-algebra.


This research was supported by NSF Grant DMS-0070405 and NSF Postdoctoral Fellowship ∈dent DMS-0201960.

Author information

Department of Mathematics, University of Iowa, Iowa City, IA 52242-1419, USA