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2012 Fiscal Year Final Research Report

Research on the structure of Iwasawa modules for p-adic representations

Research Project

  • PDF
Project/Area Number 21540018
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionHiroshima University

Principal Investigator

TAKAHASHI Hiroki  広島大学, 理学研究科, 准教授 (90291476)

Project Period (FY) 2009 – 2012
Keywords岩澤加群 / イデアル類群 / Greenberg 予想 / 円単数 / ガウス和 / 岩澤不変量
Research Abstract

In this research, we investigated concrete structure of Iwasawa modules for p-adic representations by systematic use of specialelements. We especially noticed large Iwasawa lambda or nu invariants. We computed these invariants of the rational number field and 122 quadratic fields with the discriminant D

  • Research Products

    (5 results)

All 2013 2012 2009 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results) Remarks (1 results)

  • [Journal Article] On the Iwasawa lambda invariant of an imaginary abelian field of conductor 3p^n+12013

    • Author(s)
      H. Ichimura, S. Nakajima, H. Sumida-Takahashi
    • Journal Title

      Journal of Number Theory

      Volume: 133 Pages: 787-801

    • Peer Reviewed
  • [Journal Article] On Hilbert-Speiser type imaginary quadratic fields2009

    • Author(s)
      H. Ichimura, H. Sumida-Takahashi
    • Journal Title

      Acta Arithmetica

      Volume: 136 Pages: 385-38

    • Peer Reviewed
  • [Presentation] The Iwasawaλ_l-invariants in cyclotomic Z_p-extensions2013

    • Author(s)
      高橋浩樹
    • Organizer
      早稲田整数論研究集会
    • Place of Presentation
      東京
    • Year and Date
      2013-03-16
  • [Presentation] 円分体の岩澤不変量の観察2012

    • Author(s)
      高橋浩樹
    • Organizer
      九州代数的整数論2012
    • Place of Presentation
      福岡
    • Year and Date
      2012-03-23
  • [Remarks]

    • URL

      http://www.mis.hiroshima-u.ac.jp/hiroki/major/galois1.html

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Published: 2014-08-29  

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