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Généralisation d’un théorème de Greenberg

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We formulate a general conjecture on the characteristic polynomials of S-decomposed T-ramified Iwasawa modules over the cyclotomic $$\mathbb {Z}_\ell $$Zℓ-extension of a number field. We show that this conjecture is… Click to show full abstract

We formulate a general conjecture on the characteristic polynomials of S-decomposed T-ramified Iwasawa modules over the cyclotomic $$\mathbb {Z}_\ell $$Zℓ-extension of a number field. We show that this conjecture is equivalent to the conjunctions of the classical conjectures of Leopoldt and of Gross-Kuz’min. We so extend a result of semi-simplicity of Greenberg and, by the way, an isomorphism of Kuz’min.RésuméNous formulons une conjecture générale sur le polynôme carat-téristique des modules d’Iwasawa S-décomposés T-ramifiés au-dessus de la $$\mathbb {Z}_\ell $$Zℓ-extension cyclotomique d’un corps de nombres. Nous montrons qu’elle est en fait équivalente à la conjonction des conjectures de Leopoldt et de Gross-Kuz’min. Nous étendons ainsi un théorème de semi-simplicité de Greenberg et, au passage, un isomorphisme de Kuz’min.

Keywords: min; kuz min; ralisation greenberg

Journal Title: Archiv der Mathematik
Year Published: 2018

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