Extended Centroids of Skew Polynomial Rings
- 1 March 1985
- journal article
- Published by Canadian Mathematical Society in Canadian Mathematical Bulletin
- Vol. 28 (1) , 67-76
- https://doi.org/10.4153/cmb-1985-006-1
Abstract
Let R be a prime ring with σ ∊ Aut (R). We determine the extended centroid of the skew polynomial ring R[x, σ] when (i) 〈σ〉 is X-outer of finite order, (ii) 〈σ〉 is X-outer and infinite, (iii) σm is X-inner and no smaller power of σ fixes the extended centroid of R.Keywords
This publication has 1 reference indexed in Scilit:
- Fixed Rings of Finite Automorphism Groups of Associative RingsLecture Notes in Mathematics, 1980