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Unitary Jacobi forms and primitive theta functions

Research Project

Project/Area Number 22540012
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

SUGANO Takashi  金沢大学, 数物科学系, 教授 (30183841)

Co-Investigator(Renkei-kenkyūsha) MURASE Atsushi  京都産業大学, 理学部, 教授 (40157772)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsユニタリ群 / ヤコビ形式 / 保型L関数 / Hecke環 / 保型L関数
Research Abstract

We determined the structure of Jacobi Hecke algebra whose index is a maximal even integral matrix and obtained zonal spherical functions corresponding to irreducible representations of the Hecke algebra, moreover, we showed a relation between a non-commutative Jacobi Hecke algebra and the group ring of a dihedral group (joint work with N. Hashizume). As a global problem, we gave a new system of generators for the ring of paramodular forms of degree 2 and level 2 or 3, by using theta lifts and Klingen Eisenstein series (joint work with Y. Iwahori).

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (2 results)

All 2011

All Presentation (2 results)

  • [Presentation] Oda リフト2011

    • Author(s)
      菅野孝
    • Organizer
      第19回整数論サマースクール(保型形式のリフティング)
    • Place of Presentation
      富士箱根ランド・ルコーレプラザ(静岡県)
    • Year and Date
      2011-09-07
    • Related Report
      2012 Final Research Report
  • [Presentation] Odaリフト2011

    • Author(s)
      菅野孝史
    • Organizer
      第19回整数論サマースクール
    • Place of Presentation
      富士箱根ランド・スコーレプラザホテル(静岡県)(招待講演)
    • Year and Date
      2011-09-07
    • Related Report
      2011 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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