Project Details
Description
We discuss which closed subgroup of the group of automorphisms of ring of formal power series over finite field can correspond to a field extension of characteristic 0. Our result says that it can...
| Status | Finished |
|---|---|
| Effective start/end date | 2013/08/01 → 2014/07/31 |
Keywords
- period
- field of norms
- characteristic 0 extension
- ramification group.
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