Edmundo, MárioEleftheriou, P. E.2014-01-262014-01-262009-12Edmundo, Mário Jorge; Eleftheriou, P. E. - Definable group extensions in semi-bounded o-minimal structures. "Mathematical Logic Quarterly" [Em linha]. ISSN 0942-5616 (Print) 1521-3870 (Online). Vol. 55, Nº 6 (2009), p. 1-70942-56161521-3870http://hdl.handle.net/10400.2/2915In this note we show: Let ℛ = 〈 R, <, +, 0,...〉 be a semi-bounded (respectively, linear) o-minimal expansion of an ordered group, and G a group definable in R of linear dimension m ([2]). Then G is a definable extension of a bounded (respectively, definably compact) definable group B by 〈 Rm, +〉.engGroup extensionsO-minimal structuresjournal article