|
|||||
|
|
|
|
|
|
|
|
|
Completely outer Galois
theory of perfect rings
James Michael Osterburg |
|
Vol. 56 (1975), No. 1, 215–220
|
Abstract |
|
Let G be a finite completely outer group of automorphisms of a perfect ring R. Let Δ be the crossed product of R with G. Then Δ modules which are R projective are Δ projective and Δ submodules which are R direct summands are Δ direct summands. |
Mathematical Subject Classification
Primary: 16A74
|
Milestones
Received: 19 November 1973
Published: 1 January 1975
|
Authors |
| James Michael Osterburg | |
|
