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| Pàgina inicial > Articles > Articles publicats > Torsion matrices over commutative integral group rings |
| Data: | 2000 |
| Resum: | Let ZA be the integral group ring of a finite abelian group A, and n a positive integer greater than 5. We provide conditions on n and A under which every torsion matrix U, with identity augmentation, in GLn(ZA) is conjugate in GLn(QA) to a diagonal matrix with group elements on the diagonal. When A is infinite, we show that under similar conditions, U has a group trace and is stably conjugate to such a diagonal matrix. |
| Drets: | Tots els drets reservats.  |
| Llengua: | Anglès |
| Document: | article ; recerca ; Versió publicada |
| Publicat a: | Publicacions matemàtiques, V. 44 N. 2 (2000) , p. 359-367, ISSN 2014-4350 |
