Opuscula Math. 32, no. 3 (2012), 511-520
http://dx.doi.org/10.7494/OpMath.2012.32.3.511

 
Opuscula Mathematica

On the structure of certain nontransitive diffeomorphism groups on open manifolds

Agnieszka Kowalik
Jacek Lech
Ilona Michalik

Abstract. It is shown that in some generic cases the identity component of the group of leaf preserving diffeomorphisms (with not necessarily compact support) on a foliated open manifold is perfect. Next, it is proved that it is also bounded, i.e. bounded with respect to any bi-invariant metric. It follows that the group is uniformly perfect as well.

Keywords: foliated manifold, bounded group, conjugation-invariant norm, group of diffeomorphisms, commutator, perfectness, uniform perfectness.

Mathematics Subject Classification: 22E65, 57R30, 57R50, 58B25.

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  • Agnieszka Kowalik
  • AGH University of Science and Technology, Faculty of Applied Mathematics, al. Mickiewicza 30, 30-059 Krakow, Poland
  • Jacek Lech
  • AGH University of Science and Technology, Faculty of Applied Mathematics, al. Mickiewicza 30, 30-059 Krakow, Poland
  • Ilona Michalik
  • AGH University of Science and Technology, Faculty of Applied Mathematics, al. Mickiewicza 30, 30-059 Krakow, Poland
  • Received: 2011-05-19.
  • Revised: 2011-09-03.
  • Accepted: 2011-09-12.
Opuscula Mathematica - cover

Cite this article as:
Agnieszka Kowalik, Jacek Lech, Ilona Michalik, On the structure of certain nontransitive diffeomorphism groups on open manifolds, Opuscula Math. 32, no. 3 (2012), 511-520, http://dx.doi.org/10.7494/OpMath.2012.32.3.511

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