Power Series and p-Adic Algebraic Closur
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Kiran S Kedlaya
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Article
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2001
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Elsevier Science
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English
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We describe a presentation of the completion of the algebraic closure of the ring of Witt vectors of an algebraically closed field of characteristic p>0. The construction uses ``generalized power series in p'' as constructed by Poonen, based on an example of Lampert, and also makes use of an analogo