Mapping galois extensions into division algebras

Research output: Contribution to journalArticlepeer-review


Let A be a ring with a finite group of automorphisms G , and let f1 and f2 be homomorphisms from A into some divisionalgebra D such that f1 and f2 agree on thefixed ring AG . Assuming certain additional assumptions, it is shown that f1 and f2 differ only by an automorphism in G and aninner automorphism of D.

Original languageEnglish
Pages (from-to)1061-1068
Number of pages8
JournalProceedings of the American Mathematical Society
Issue number4
StatePublished - Dec 1993


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