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組合せ論的手法を用いた多重ゼータ値・多重ポリベルヌーイ数の代数的構造に関する研究

Research Project

Project/Area Number 18K03243
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 11010:Algebra-related
Research InstitutionKyushu University

Principal Investigator

斎藤 新悟  九州大学, 基幹教育院, 准教授 (40515194)

Project Period (FY) 2018-04-01 – 2025-03-31
Project Status Granted (Fiscal Year 2023)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords多重ゼータ値
Outline of Annual Research Achievements

多重ゼータ値は,順序付けられた正の整数の組に対する和として定義される。これに関連して,今年度は広瀬稔氏と共同で,正の整数の順序付けに関する研究を行った。有限個の正の整数が与えられたとき,それらを並び替えて,単調な長さ3の等差数列が存在しないようにすることが可能であることが知られている。これに対して,正の整数全体をどのように並び替えても,単調な長さ3の等差数列が存在することが知られている(J. A. Davis, R. C. Entringer, R. L. Graham, and G. J. Simmons, On permutations containing no long arithmetic progressions, Acta Arith. 34 (1977/78), 81-90)。その一方で,有限個の場合を注意深く考察することで,正の整数全体の全順序であって,単調な長さ3の等差数列が存在しないようなものを構成できることが分かる。この全順序の順序構造は,正の整数全体の通常の順序の順序構造とは異なる。今年度の研究では,どのような順序構造が現れるかを考察し,完全な特徴付けを与えることができた。論文は現在準備中である(M. Hirose and S. Saito, Characterization of order structures avoiding three-term arithmetic progressions, in preparation)。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

多重ゼータ値の研究はおおむね予定通り進んでいるが,多重ポリベルヌーイ数についてはあまり進んでいないので,(3)の区分に該当すると判断した。

Strategy for Future Research Activity

今年度に引き続き,多重ゼータ値およびその類似物に関して研究を進め,多重ポリベルヌーイ数についても考察する。

Report

(6 results)
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (15 results)

All 2023 2022 2021 2020 2019 2018 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 4 results) Remarks (2 results)

  • [Journal Article] Ohno relation for regularized multiple zeta values2023

    • Author(s)
      Minoru Hirose, Hideki Murahara, and Shingo Saito
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: 75 Issue: 4 Pages: 1177-1193

    • DOI

      10.2969/jmsj/89088908

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Interpolated polynomial multiple zeta values of fixed weight, depth, and height2023

    • Author(s)
      Minoru Hirose, Hideki Murahara, and Shingo Saito
    • Journal Title

      Pure and Applied Functional Analysis

      Volume: 8 Pages: 1723-1732

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Generating functions for sums of polynomial multiple zeta values2022

    • Author(s)
      Minoru Hirose, Hideki Murahara, and Shingo Saito
    • Journal Title

      Tohoku Mathematical Journal

      Volume: 74 Issue: 3 Pages: 399-428

    • DOI

      10.2748/tmj.20210409

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] OHNO-TYPE RELATIONS FOR CLASSICAL AND FINITE MULTIPLE ZETA-STAR VALUES2021

    • Author(s)
      Minoru Hirose, Kohtaro Imatomi, Hideki Murahara, and Shingo Saito
    • Journal Title

      Kyushu Journal of Mathematics

      Volume: 75 Issue: 1 Pages: 115-124

    • DOI

      10.2206/kyushujm.75.115

    • NAID

      130008049841

    • ISSN
      1340-6116, 1883-2032
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Polynomial generalization of the regularization theorem for multiple zeta values2020

    • Author(s)
      Minoru Hirose, Hideki Murahara, and Shingo Saito
    • Journal Title

      Publications of the Research Institute for Mathematical Sciences

      Volume: 56 Issue: 1 Pages: 207-215

    • DOI

      10.4171/prims/56-1-9

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Weighted sum formula for multiple harmonic sums modulo primes2019

    • Author(s)
      Hirose Minoru、Murahara Hideki、Saito Shingo
    • Journal Title

      Proceedings of the American Mathematical Society

      Volume: - Issue: 8 Pages: 3357-3366

    • DOI

      10.1090/proc/14588

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Restricted sum formula for finite and symmetric multiple zeta values2019

    • Author(s)
      Hideki Murahara and Shingo Saito
    • Journal Title

      Pacific Journal of Mathematics

      Volume: 303 Issue: 1 Pages: 325-335

    • DOI

      10.2140/pjm.2019.303.325

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] ANALOGUES OF THE AOKI-OHNO AND LE-MURAKAMI RELATIONS FOR FINITE MULTIPLE ZETA VALUES2018

    • Author(s)
      KANEKO MASANOBU、OYAMA KOJIRO、SAITO SHINGO
    • Journal Title

      Bulletin of the Australian Mathematical Society

      Volume: - Issue: 1 Pages: 1-7

    • DOI

      10.1017/s0004972718001260

    • NAID

      120007189995

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Sum formulas for multiple zeta values and symmetric multiple zeta values2021

    • Author(s)
      Shingo SAITO
    • Organizer
      Japan Europe Number Theory Exchange Seminar
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 和公式に関連した母関数について2020

    • Author(s)
      斎藤新悟
    • Organizer
      第14回多重ゼータ研究集会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] いろいろな多重ゼータ値に対する大野型関係式について2019

    • Author(s)
      斎藤新悟
    • Organizer
      関西多重ゼータ研究会
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Polynomial generalization of the regularization theorem for multiple zeta values2018

    • Author(s)
      Shingo SAITO
    • Organizer
      Taiwan-Japan Joint Workshop on Multiple Zeta Values
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 多重ゼータ値に対する正規化定理の多項式拡張2018

    • Author(s)
      広瀬稔,村原英樹,斎藤新悟
    • Organizer
      日本数学会2018年度秋季総合分科会
    • Related Report
      2018 Research-status Report
  • [Remarks] Shingo SAITO's Website

    • URL

      https://www.artsci.kyushu-u.ac.jp/~ssaito/

    • Related Report
      2023 Research-status Report 2022 Research-status Report 2021 Research-status Report
  • [Remarks] Shingo SAITO's Website

    • URL

      http://www.artsci.kyushu-u.ac.jp/~ssaito/

    • Related Report
      2020 Research-status Report 2019 Research-status Report 2018 Research-status Report

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Published: 2018-04-23   Modified: 2024-12-25  

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