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TRIVIAL UNITS IN RG
- Mathematical Proceedings of the Royal Irish Academy
- Royal Irish Academy
- Volume 105A, Number 1, March 2005
- pp. 25-39
- 10.1353/mpr.2005.0018
- Article
- Additional Information
Abstract
Abstract:
A characterisation of group rings RG with trivial units is given when R is a G-adapted ring. A formula for the rank of the centre of U(ℤG) is given. A characterisation of RG with trivial central units is given for some G-adapted rings R.
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