Abstract
If f (x) is a noninvertible endomorphism of a formal group, then we have that f (x) commutes with an invertible series and Ō[[x]] is Galois over Ō[[fn(x)]] for all n ∈ N. We shall prove that the converse of this statement is also true.
| Original language | English |
|---|---|
| Pages (from-to) | 2325-2329 |
| Number of pages | 5 |
| Journal | Proceedings of the American Mathematical Society |
| Volume | 124 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 1996 Jan 1 |
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ASJC Scopus subject areas
- Mathematics(all)
- Applied Mathematics
Cite this
When is a p-adic power series an endomorphism of a formal group? / Li, Hua-Chieh.
In: Proceedings of the American Mathematical Society, Vol. 124, No. 8, 01.01.1996, p. 2325-2329.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - When is a p-adic power series an endomorphism of a formal group?
AU - Li, Hua-Chieh
PY - 1996/1/1
Y1 - 1996/1/1
N2 - If f (x) is a noninvertible endomorphism of a formal group, then we have that f (x) commutes with an invertible series and Ō[[x]] is Galois over Ō[[fn(x)]] for all n ∈ N. We shall prove that the converse of this statement is also true.
AB - If f (x) is a noninvertible endomorphism of a formal group, then we have that f (x) commutes with an invertible series and Ō[[x]] is Galois over Ō[[fn(x)]] for all n ∈ N. We shall prove that the converse of this statement is also true.
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UR - http://www.scopus.com/inward/citedby.url?scp=21344448776&partnerID=8YFLogxK
U2 - 10.1090/S0002-9939-96-03308-4
DO - 10.1090/S0002-9939-96-03308-4
M3 - Article
AN - SCOPUS:21344448776
VL - 124
SP - 2325
EP - 2329
JO - Proceedings of the American Mathematical Society
JF - Proceedings of the American Mathematical Society
SN - 0002-9939
IS - 8
ER -