| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8895819 | Journal of Algebra | 2018 | 6 Pages |
Abstract
Let R be a perfect ring of characteristic p. We show that the group of continuous R-linear automorphisms of the perfect power series ring over R is generated by the automorphisms of the ordinary power series ring together with Frobenius; this answers a question of Jared Weinstein.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Kiran S. Kedlaya,