, Volume 56, Issue 3-4, pp 467-468

The underlying group of any finitely generated Abelian lattice-ordered group is free

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Presented by M. Henriksen.
Received January 31, 2006; accepted in final form April 11, 2006.
The second author was partially supported by the Italian National Research Project Logiche a più valori e trattamento dell’informazione incerta: metodologie algebriche e algoritmiche, by the Dipartimento di Informatica e Comunicazione, University of Milan, and by Queens’ College, Cambridge.