J. Aust. Math. Soc.
77 (2004), 141147

Real rank of algebras associated with graphs

Ja A Jeong
BK21
Mathematical Sciences Division
Seoul National University
Seoul 151742
Korea
jajeong@math.snu.ac.kr



Abstract

For a locally finite directed graph
, it is known that the graph
algebra
has real rank zero if and only if the graph
satisfies the loop condition (K). In this paper
we extend this to an arbitrary directed graph
case using the desingularization of a graph due
to Drinen and Tomforde.

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