Square subgroups of rank two abelian groups

• Autorzy: A. M. Aghdam , A. Najafizadeh
• Języki publikacji: EN

Abstrakty

EN

Let G be an abelian group and ◻ G its square subgroup as defined in the introduction. We show that the square subgroup of a non-homogeneous and indecomposable torsion-free group G of rank two is a pure subgroup of G and that G/◻ G is a nil group.

Kategorie tematyczne

• 20K15: Torsion-free groups, finite rank

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Colloquium Mathematicum
• Rocznik: 2009
• Tom: 117
• Numer: 1
• Strony: 19-28

Daty

wydano

2009

Twórcy

autor

A. M. Aghdam

• Department of Mathematics, University of Tabriz, Tabriz, Iran

autor

A. Najafizadeh

• Department of Mathematics, University of Tabriz, Tabriz, Iran

Identyfikatory

DOI

10.4064/cm117-1-2