2021/03/12 by Jaulent, Jean-François
#FOS: Mathematics #Number Theory (math.NT)
paper · doi:10.48550/arxiv.2103.07300
We correct the faulty formulas given in a previous article and we compute the defect group for the Iwasawa λ invariants attached to the S-ramified T-decomposed a belian pro-ℓ-extensions on the Zℓ-cyclotomic extensionof a number field. As a consequence, we extend the results of Itoh, Mizusawa and Ozaki on tamely ramified Iwasawa modules for the cyclotomic Zℓ-extension of abelian fields.