Indecomposability of ideals of p-adic nu
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Yoshimasa Miyata
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Article
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2004
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Elsevier Science
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English
β 207 KB
Let K=k be a Galois p-extension over a p-adic number field k and G 1 be the first ramification group. We show that any ideal A of K is absolutely oG-indecomposable if and only if the order jG 1 j does not divide the different D K=k :