English

Topology of definable abelian groups in o-minimal structures

Logic 2014-02-26 v1

Abstract

In this note we show that every definably connected, definably compact abelian definable group in an o-minimal expansion of a real closed field of dimension not 4 is definably homeomorphic to a torus of the same dimension. Moreover, in the semialgebraic case the result holds for all dimensions.

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Cite

@article{arxiv.1102.2494,
  title  = {Topology of definable abelian groups in o-minimal structures},
  author = {Elias Baro and Alessandro Berarducci},
  journal= {arXiv preprint arXiv:1102.2494},
  year   = {2014}
}

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7 pages