Integer valued polynomials and Lubin–Tate formal groups
Journal of Number Theory(2009)
摘要
If R is an integral domain and K is its field of fractions, we let Int(R) stand for the subring of K[x] which maps R into itself. We show that if R is the ring of integers of a p-adic field, then Int(R) is generated, as an R-algebra, by the coefficients of the endomorphisms of any Lubin–Tate group attached to R.
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关键词
Integer valued polynomials,Formal groups
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