A finitely presented monoid with a non-finitely generated group of units |
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| Authors: | C A Carvalho N Ruskuc |
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| Institution: | (1) Department of Computer Science, Durham University, South Rd., Durham, DH1 3LE, United Kingdom;(2) School of Mathematics and Statistics, University of St Andrews, St Andrews, KY16 9SS, United Kingdom |
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| Abstract: | We exhibit an example of a monoid defined by finitely many generators and defining relations, the group of units of which
is not finitely generated.
Received: 30 August 2006 Revised: 23 October 2006 |
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| Keywords: | 20M05 20F05 |
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