Some Applications of ABHYANKAR's Lemma
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Robert Gold; M. L. Madan
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Article
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1978
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John Wiley and Sons
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English
β 289 KB
ABHYANKAR'S Lemma provides a siniple method of producing unramified extensions of number fields. By application of the lemma we simultaneously simplify and strengthen some recent results of ISHIDA concerning unramified abelian extensions and class numbers. $ 1 . The main object of this note is to s