On the Iwasawa λ-invariant of the cyclotomic ℤ2-extension of ℚ(√p) II

Takashi Fukuda, Keiichi Komatsu

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    In the preceding papers, we studied the Iwasawa λ-invariant of the cyclotomic ℤ2-extension of ℚ (√p ) for an odd prime number p using certain units and the invariants n0 (r)and n2. In the present paper, we develop new criteria for Greenberg conjecture using n0 (r)and n2.

    Original languageEnglish
    Pages (from-to)167-179
    Number of pages13
    JournalFunctiones et Approximatio, Commentarii Mathematici
    Volume51
    Issue number1
    DOIs
    Publication statusPublished - 2014 May 1

    Keywords

    • Cyclotomic unit
    • Iwasawa invariant
    • Real quadratic field

    ASJC Scopus subject areas

    • Mathematics(all)

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