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Research on Mixed motives and regulator on algebraic K-theory

Research Project

Project/Area Number 24540001
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Algebra
Research InstitutionHokkaido University

Principal Investigator

ASAKURA Masanori  北海道大学, 理学(系)研究科(研究院), 准教授 (60322286)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsレギュレーター / 混合モチーフ / 代数的K理論 / ゼータ関数 / モチーフ / 代数K理論
Outline of Final Research Achievements

We studied motives, which are the objects arising from cohomology groups of algebraic varieties, and got some nice results. More precisely, we studied the periods of motives with complex multiplication and the regulator as its extension intensively. In particular, we got nice description in terms of special values of generalizaed hypergeometric functions. We hope that our results brings interesting progress on the Beilinson conjecture on special values of L-functions. This is a joint work with Noriyuki Otsubo at Chiba university. We also got a result on the conjecture of Gross and Deligne on the periods of motives with complex multiplication. This is a joint work with Fresan at ETHZ.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (12 results)

All 2015 2014 2013 2012 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Acknowledgement Compliant: 1 results) Presentation (9 results) (of which Invited: 9 results)

  • [Journal Article] A simple construction of regulator indecomposable higher Chow cycles2015

    • Author(s)
      Masanori Asakura
    • Journal Title

      Proceedings of the symposium

      Volume: TBA

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Syntomic cohomology and Beilinson's Tate conjecture for K22013

    • Author(s)
      M.Asakura, K.Sato
    • Journal Title

      Journal of Algebraic Geometry

      Volume: 22 Issue: 3 Pages: 481-547

    • DOI

      10.1090/s1056-3911-2012-00591-8

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Quintic surface over p-adic local fields with infinite p-primary torsion in the Chow group of 0-cycles.2012

    • Author(s)
      Masanori Asakura
    • Journal Title

      Contemporary Mathmetics

      Volume: 571

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] Period conjecture of Gross - Deligne for fibrations2015

    • Author(s)
      Masanori Asakura
    • Organizer
      Arithmetic and Algebraic Geometry 2015
    • Place of Presentation
      東京大学
    • Year and Date
      2015-01-30
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Period and regulator for fibrations with CM structure and generalized hypergeometric functions2014

    • Author(s)
      Masanori Asakura
    • Organizer
      Motives in Tokyo
    • Place of Presentation
      東京大学
    • Year and Date
      2014-12-19
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Period and regulator for fibrations with CM structure and generalized hypergeometric functions2014

    • Author(s)
      Masanori Asakura
    • Organizer
      BIRS Workshop ``Cohomological Realization of Motives''
    • Place of Presentation
      バンフ国際センター(カナダ)
    • Year and Date
      2014-12-08
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Extension of CM motives and hypergeometric functions2014

    • Author(s)
      Masanori Asakura
    • Organizer
      Japan-Taiwan Joint Conference on Number Theory 2014
    • Place of Presentation
      気仙沼大島休暇村
    • Year and Date
      2014-09-02
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Real regulator on K_1 of a fibration of curves2013

    • Author(s)
      朝倉政典
    • Organizer
      Recent advances in Hodge theory: period domains, algebraic cycles, and arithmetic
    • Place of Presentation
      ブリティッシュコロンビア大学(カナダ)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Real regulator on K_1 of a fibration of curves2013

    • Author(s)
      朝倉政典
    • Organizer
      Algebraic Geometry seminar
    • Place of Presentation
      ミュンヘン大学(ドイツ)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Real regulator on K_1 of a fibration of curves2013

    • Author(s)
      朝倉政典
    • Organizer
      Number theory seminar
    • Place of Presentation
      ストラスブール大学(フランス)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Real regulator on K_1 of a fibration of curves2013

    • Author(s)
      朝倉政典
    • Organizer
      Workshop on motives and algebraic cycles
    • Place of Presentation
      パリ大学(フランス)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Real regulator on K_1 of elliptic surfaces

    • Author(s)
      朝倉政典
    • Organizer
      Motives
    • Place of Presentation
      東京大学(東京都)
    • Related Report
      2012 Research-status Report
    • Invited

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Published: 2013-05-31   Modified: 2019-07-29  

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