Cartan subgroups of groups definable in o-minimal structures

Publisher: Cambridge University Press

E-ISSN: 1475-3030|13|4|849-893

ISSN: 1474-7480

Source: Journal of the Institute of Mathematics of Jussieu, Vol.13, Iss.4, 2014-10, pp. : 849-893

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Abstract

We prove that groups definable in o-minimal structures have Cartan subgroups, and only finitely many conjugacy classes of such subgroups. We also delineate with precision how these subgroups cover the ambient group.