J Austral Math Soc Ser A 58 pp219--221, 1995.
(Received 15 June 1992; revised 15 August 1992)
We give an alternate short proof of a recent theorem of J. A. Hillman and P. A. Linnel that an elementary amenable group with finite Hirsch number has, modulo its locally finite radical, a soluble normal subgroup with index and derived length bounded only in terms of the Hirsch number of the group.
1991 AMS Subject Classification: 20F19
Last Modified: Thu Jan 9 9:04:23 2003