Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4587758 | Journal of Algebra | 2008 | 15 Pages |
Abstract
We show that: (1) If (G1,O1) is a finitely generated divisibility group that is not lattice ordered and if (G2,O2) is a divisibility group such that Card(G2)>Card(R), then the product (G1,O1)×(G2,O2) is not a divisibility group.(2) If (G1,O1) is a torsion free finitely generated divisibility group and if (G2,O2) is a lattice ordered group with only finitely many ultra filters, then the product (G1,O1)×(G2,O2) is a divisibility group if and only if Card(G2)⩽Card(R).(3) If (G1,O1) and (G2,O2) are both torsion free finitely generated divisibility groups, then the product (G1,O1)×(G2,O2) is a divisibility group.
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