RESEARCH ARTICLE

On the cotypeset of torsion-free abelian groups

Fatemeh Karimi

Department of Mathematics, Payame Noor University, Tehran

Abstract: In this paper the cotypeset of some torsion-free abelian groups of finite rank is studied. In particular, we determine the cotypeset of some rank two groups using the elements of their typesets.

Keywords: typeset, cotypeset, type sequence, co-rank.

MSC: 20K15

Received: 08.07.2012
Revised: 09.06.2014

Language: English

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