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Automorphic L-functions for general symplectic groups

Research Project

Project/Area Number 19540046
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionOsaka City University

Principal Investigator

FURUSAWA Masaaki  Osaka City University, 大学院理学研究科, 教授 (50294525)

Co-Investigator(Kenkyū-buntansha) 兼田 正治  大阪市立大学, 大学院・理学研究科, 教授 (60204575)
谷崎 俊之  大阪市立大学, 大学院・理学研究科, 教授 (70142916)
市野 篤史  大阪市立大学, 大学院・理学研究科, 准教授 (40347480)
Co-Investigator(Renkei-kenkyūsha) KANEDA Masaharu  大阪市立大学, 大学院理学研究科, 教授 (60204575)
TANISAKI Toshiyuki  大阪市立大学, 大学院理学研究科, 教授 (70142916)
ICHINO Atsushi  大阪市立大学, 大学院理学研究科, 准教授 (40347480)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords数論 / 相対跡公式 / 保型エル函数 / ジーゲル保型形式 / エル函数の特殊値
Research Abstract

次数2の一般斜交群GSp(4)の尖点表現に付随するスピノルL函数について、その函数等式の中心における特殊値についての研究を行った。この特殊値に関しては、S. Boecherer の予想がある。また、この予想は、直交群やユニタリー群に関するGross-Prasad 予想の一つの事例にもなっている。本研究においては、Boecherer の予想を証明することが期待される新しい相対跡公式を定式化し、その基本補題をヘッケ環の単位元に関して証明した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (13 results)

All 2008 2007 Other

All Journal Article (11 results) (of which Peer Reviewed: 9 results) Presentation (2 results)

  • [Journal Article] New relative trace formula for the central critical values of the spinor L-functions for GSp(4) (joint work with Kimball Martin)2008

    • Author(s)
      Masaaki Furusawa
    • Journal Title

      Proceedings of the National Institute of Mathematical Sciences Volume 3

      Pages: 141-152

    • Related Report
      2008 Final Research Report
  • [Journal Article] Trilinear forms and the central values of triple product L-functions2008

    • Author(s)
      Atsushi Ichino
    • Journal Title

      Duke Mathematical Journal Volume 145

      Pages: 281-307

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Formal degrees and adjoint $\gamma$-factors2008

    • Author(s)
      Kaoru Hiraga, Atsushi Ichino, Tamotsu Ikeda
    • Journal Title

      Journal of the American Mathematical Society Volume 21

      Pages: 283-304

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On Maass lifts and the central critical values of triple product L-functions2008

    • Author(s)
      Atsushi Ichino, Tamotsu Ikeda
    • Journal Title

      American Journal of Mathematics Volume 130

      Pages: 75-114

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Kapranov's tilting sheaf on the Grassmannian in positive characteristic2008

    • Author(s)
      Masaharu Kaneda
    • Journal Title

      Algebras and Representation Theory Volume 11

      Pages: 347-354

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] New relative trace formula for the central critical values of the spinor L-functions for GSp(4) (joint work with Kimball Martin)2008

    • Author(s)
      Furusawa, Masaaki
    • Journal Title

      Proceedings of the National Institute of Mathematical Sciences 3

      Pages: 141-152

    • Related Report
      2008 Annual Research Report
  • [Journal Article] On Maass lifts and the central critical values of triple product $L$-functions2008

    • Author(s)
      Ichino, Atushi
    • Journal Title

      American Journal of Mathematics 130

      Pages: 75-114

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On the Siegel-Weil formula for unitary groups2007

    • Author(s)
      Atsushi Ichino
    • Journal Title

      Mathematische Zeitschrift Volume 255

      Pages: 721-729

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Equivariant localization of $\overline D$-modules on the flag variety of the symplectic group of degree 42007

    • Author(s)
      Masaharu Kaneda, Jiachen Ye
    • Journal Title

      Journal of Algebra Volume 309

      Pages: 236-281

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Equivariant localization of $\overline D$-modules on the flag variety of the symplectic group of degree 42007

    • Author(s)
      Kaneda, Masaharu
    • Journal Title

      Journal of Algebra 309

      Pages: 236-281

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On central critical values of the degree four L-functions for GSp(4): The fundamental lemma. II

    • Author(s)
      Masaaki Furusawa, Kimball Martin
    • Journal Title

      American Journal of Mathematics

      Pages: 0-0

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] New relative trace formula for the central critical values of the spinor L-functions for GSp(4) (joint work with Kimball Martin)2008

    • Author(s)
      Masaaki Furusawa
    • Organizer
      International symposium on automorphic forms, L-functions, and Shimura varieties
    • Place of Presentation
      Inha University, Incheon,KOREA
    • Year and Date
      2008-11-27
    • Related Report
      2008 Final Research Report
  • [Presentation] New relative trace formula for the central critical values of the spinor L-functions for GSp(4) (joint work with Kimball Martin. )2008

    • Author(s)
      Furusawa, Masaaki
    • Organizer
      International symposium on automorphic forms, L-functions, and Shimura varieties
    • Place of Presentation
      Inha University, Incheon, KOREA
    • Year and Date
      2008-11-27
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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