Abstract
An Abelian group G is called an SI-group if for every ring R with additive group R+ = G, every subring S of R is an ideal in R. A complete description is given of the torsion SI-groups, and the completely decomposable torsion free SI-groups. Results are obtained in other cases as well.
Original language | English |
---|---|
Pages (from-to) | 477-481 |
Number of pages | 5 |
Journal | Bulletin of the Australian Mathematical Society |
Volume | 55 |
Issue number | 3 |
DOIs | |
State | Published - Jun 1997 |