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A. M. Aghdam, F. Karimi, A. Najafizadeh (2012)
Archivum Mathematicum
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In this paper we consider completely decomposable torsion-free groups and we determine the subgroups which are ideals in every ring over such groups.
Ulrich Albrecht, H. Goeters (1999)
Colloquium Mathematicae
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S. Wu (1992)
Fundamenta Mathematicae
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In this paper we seek to describe the structure of self-dual torsion-free LCA groups. We first present a proof of the structure theorem of self-dual torsion-free metric LCA groups. Then we generalize the structure theorem to a larger class of self-dual torsion-free LCA groups. We also give a characterization of torsion-free divisible LCA groups. Consequently, a complete classification of self-dual divisible LCA groups is obtained; and any self-dual torsion-free LCA group can be regarded...
Christiaan van de Woestijne (2009)
Actes des rencontres du CIRM
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Lutz Strüngmann (2002)
Rendiconti del Seminario Matematico della Università di Padova
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Bonanzinga, Vittoria, Restuccia, Gaetana (2002)
Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
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Benjamin Collas (2012)
Journal de Théorie des Nombres de Bordeaux
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In this paper we establish the action of the Grothendieck-Teichmüller group on the prime order torsion elements of the profinite fundamental group . As an intermediate result, we prove that the conjugacy classes of prime order torsion of are exactly the prime order ones of the .