
arXiv: 0712.3175
In this paper, we study the question of when the symmetric units in an integral group ring ZG form a multiplicative group. When G is periodic, necessary and sufficient conditions are given for this to occur.
integral group rings, Units, groups of units (associative rings and algebras), QA Mathematics / matematika, Group rings, Group rings of infinite groups and their modules (group-theoretic aspects), Subgroup theorems; subgroup growth, torsion subgroups, Mathematics - Rings and Algebras, Group Theory (math.GR), Rings and Algebras (math.RA), FOS: Mathematics, QA72 Algebra / algebra, groups of units, 16U60, 16U60; 16S34, symmetric units, 16S34, Mathematics - Group Theory
integral group rings, Units, groups of units (associative rings and algebras), QA Mathematics / matematika, Group rings, Group rings of infinite groups and their modules (group-theoretic aspects), Subgroup theorems; subgroup growth, torsion subgroups, Mathematics - Rings and Algebras, Group Theory (math.GR), Rings and Algebras (math.RA), FOS: Mathematics, QA72 Algebra / algebra, groups of units, 16U60, 16U60; 16S34, symmetric units, 16S34, Mathematics - Group Theory
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 7 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
