Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry

, Volume 52, Issue 1, pp 75–81

A note on just-non-Ω groups


    • Department of MathematicsUniversity of Palermo
  • Francesco G. Russo
    • Department of MathematicsUniversity of Palermo
Original Paper

DOI: 10.1007/s13366-011-0006-1

Cite this article as:
Otera, D.E. & Russo, F.G. Beitr Algebra Geom (2011) 52: 75. doi:10.1007/s13366-011-0006-1


Extending some previous notions in literature, we consider the class of just-non-Ω groups, where Ω is a prevariety of topological groups. Some structure theorems are shown in the compact case. We further analyze some concrete examples.


JNΩ groups Varieties and prevarieties of topological groups Lie groups

Mathematics Subject Classification (2000)

22C05 20E22 20E34

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© The Managing Editors 2011