2-Groupe des classes positives d'un corp
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Jean-Francois Jaulent; Florence Soriano-Gafiuk
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Article
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2004
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Elsevier Science
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English
⚖ 340 KB
We compute the 2-rank of the wild kernel WK 2 ðF Þ of a number field by constructing a 2class group ad hoc. The main result generalizes in the more intricate case l ¼ 2 the canonical isomorphism l m F # Z f Cl Cl F C l WK 2 ðF Þ established for odd primes l under the assumption m l CF in a previous