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Preprint Number 142
142. Alessandro Berarducci, Marcello Mamino and Margarita Otero Higher homotopy of groups definable in o-minimal structures E-mail: , , Submission date: 13 November 2008 Abstract: It is known that a definably compact group G is an extension of a compact Lie group L by a divisible torsion-free normal subgroup. We show that the o-minimal higher homotopy groups of G are isomorphic to the corresponding higher homotopy groups of L. As a consequence, we obtain that all abelian definably compact groups of a given dimension are definably homotopy equivalent, and that their universal cover are contractible. Mathematics Subject Classification: 03C64, 57T20, 55P45 Keywords and phrases: definable group, Lie group, o-minimal homotopy |
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