a1 Department of mathematics, Qufu Normal University, qufu 273165, Shandong, People's Republic of China, e-mail: chjhou@etang.com
a2 Institute of Mathematics Fudan University, Shanghai 200433, People's Republic China, e-mail: xchen@ms.fudan.edu.cn
In this note, we characterise completely the ideals of the groupoid C*-algebra arising from the asymptotic equivalence relation on the points of a Smale space and show that the related Ruelle algebra is simple when the Smale space is topologically transitive.
(Received December 05 2000)