J. Aust. Math. Soc.
77 (2004), 141-147
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Real rank of  -algebras associated with graphs
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Ja A Jeong
BK21
Mathematical Sciences Division
Seoul National University
Seoul 151-742
Korea
jajeong@math.snu.ac.kr
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Abstract
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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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