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Rigid Rings
Published online by Cambridge University Press: 20 January 2009
Extract
If R is a ring with identity and E is the semigroup of identity preserving ring endomorphisms of R then the fixed ring of E is denned by for each φɛE}. R is said to be rigid if RE = R.Equivalently, R is rigid if and only if
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- Research Article
- Information
- Proceedings of the Edinburgh Mathematical Society , Volume 21 , Issue 2 , September 1978 , pp. 95 - 101
- Copyright
- Copyright © Edinburgh Mathematical Society 1978
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