http://dx.doi.org/10.4153/CMB-2003-019-8
Canad. Math. Bull. 46(2003), 178-190
Published:2003-06-01 Printed: Jun 2003
Jean-François Jaulent
Christian Maire
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Abstract
We carry out the computation of the Iwasawa invariants $\rho^T_S$,
$\mu^T_S$, $\lambda^T_S$ associated to abelian $T$-ramified
over the finite steps $K_n$ of the cyclotomic
$\mathbb{Z}_\ell$-extension $K_\infty/K$ of a number field of
$\CM$-type.
Nous d\'eterminons explicitement les param\'etres d'Iwasawa
$\rho^T_S$, $\mu^T_S$, $\lambda^T_S$ des $\ell$-groupes de
$S$-classes $T$-infinit\'esimales $\Cl^T_S (K_n)$ attach\'es aux
\'etages finis de la $\mathbb{Z}_\ell$-extension cyclotomique
$K_\infty/K$ d'un corps de nombres \`a conjugaison complexe.
© Canadian Mathematical Society, 2013
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