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Tomiyasu Ryoko  富安 亮子

ORCIDConnect your ORCID iD *help
… Alternative Names

富安 亮子  トミヤス リヨウコ

大石亮子

OISHI-TOMIYASU Ryoko  富安 亮子

大石 亮子

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Researcher Number 30518824
Other IDs
Affiliation (Current) 2022: 九州大学, マス・フォア・インダストリ研究所, 教授
Affiliation (based on the past Project Information) *help 2019 – 2020: 九州大学, マス・フォア・インダストリ研究所, 准教授
2010 – 2013: 大学共同利用機関法人高エネルギー加速器研究機構, 物質構造科学研究所, 特任助教
Review Section/Research Field
Principal Investigator
General mathematics (including Probability theory/Statistical mathematics) / Basic Section 12040:Applied mathematics and statistics-related
Keywords
Principal Investigator
結晶構造解析 / 粉末指数付け / ブラベー格子 / 二次形式 / 簡約理論 / 粉末未知構造解析 / 位相問題 / 平均テータ級数 / 多項式計画問題 / 大域的最適化 … More / 半正定値計画法 / パッキング / 代数の応用 / 数論の応用 / Markov spectrum / 自己相似 / 準結晶 / 格子 / 高次連分数 / 格子基底簡約 / 代数計算 Less
  • Research Projects

    (2 results)
  • Research Products

    (25 results)
  •  study on discrete point sets to produce new applications of lattice theory and algebraic computationPrincipal Investigator

    • Principal Investigator
      富安 亮子 (大石亮子)
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 12040:Applied mathematics and statistics-related
    • Research Institution
      Kyushu University
  •  New approach towards ab-initio powder crystal structure determination using global optimization methodPrincipal Investigator

    • Principal Investigator
      OISHI-TOMIYASU Ryoko
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      High Energy Accelerator Research Organization

All 2021 2020 2014 2012 2011 2010 Other

All Journal Article Presentation Patent

  • [Journal Article] Distribution rules of systematic absences and generalized de Wolff figures of merit applied to electron backscatter diffraction ab initio indexing2021

    • Author(s)
      Ryoko Oishi-Tomiyasu, Tomohito Tanaka, Jun'ichi Nakagawa
    • Journal Title

      Journal of Applied Crystallography

      Volume: 54 (2)

    • DOI

      10.1107/s1600576721002120

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03628
  • [Journal Article] Mathematical Tools that Connect Different Indexing Analyses2020

    • Author(s)
      Ryoko Oishi-Tomiyasu
    • Journal Title

      Proceedings, IOCC 2020

      Volume: 62

    • DOI

      10.3390/proceedings2020062008

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03628
  • [Journal Article] Application of matrix decomposition algorithms for singular matrices to Pawley method in Z-Rietveld2012

    • Author(s)
      R. Oishi-Tomiyasu, M. Yonemura, T. Morishima, A. Hoshikawa, S. Torii, T. Ishigaki and T. Kamiyama
    • Journal Title

      J. Appl. Cryst

      Volume: 45 Pages: 299-308

    • DOI

      10.1107/s0021889812003998

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] Application of matrix decomposition algorithms for singular matrices to Pawley method in Z-Rietveld2012

    • Author(s)
      R.Oishi-Tomiyasu, M.Yonemura, T.Morishima, A.Hoshikawa, S.Torii, T.Ishigaki, T.Kamiyama
    • Journal Title

      Journal of applied crystallography

      Volume: 45 Pages: 299-308

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] Application of matrix decomposition algorithms for singular matrices to Pawley method in Z-Rietveld2012

    • Author(s)
      R.Oishi-Tomiyasu, M.Yonemura, T.Morishima, A.Hoshikawa, S.Torii, T.Ishigaki, T.Kamiyama
    • Journal Title

      Journal of Applied Crystallography

      Volume: 45 Pages: 299-308

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] Algorithm and performance of a new powder indexing software Conograph2011

    • Author(s)
      R.Oishi-Tomiyasu, T.Kamiyama
    • Journal Title

      Acta Crystallographica section A

      Volume: A67

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] Algorithm and performance of a new powder indexing software Conograph2011

    • Author(s)
      R. Oishi-Tomiyasu, T. Kamiyama
    • Journal Title

      Acta Cryst

      Volume: A67

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] 数学者の立場からの粉末構造解析(解の一意性に関わる問題を中心に)2010

    • Author(s)
      富安亮子
    • Journal Title

      日本中性子科学会学会誌「波紋」サイエンス記事

      Volume: Vol.20, No.4 Pages: 274-280

    • NAID

      130007516746

    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] On execution of Pawley method without requiring intensity constraints on overlapping reflections2010

    • Author(s)
      R. Oishi-Tomiyasu, M. Yonemura, A. Hoshikawa, S. Torii, T. Ishigaki & T. Kamiyama
    • Journal Title

      Acta Cryst

      Volume: A66

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Journal Article] Rapid Bravais-lattice determination algorithm for lattice constants containing large obeservation errors

    • Author(s)
      R.Oishi-Tomiyasu
    • Journal Title

      掲載確定(Acta crystallographica section A)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Patent] 情報処理装置, 情報処理方法及びプログラム2014

    • Inventor(s)
      富安亮子
    • Industrial Property Rights Holder
      高エネルギー加速器研究機構
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2011-058571
    • Filing Date
      2014-02-28
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Patent] 情報処理装置、情報処理方法及びプログラム2014

    • Inventor(s)
      富安亮子
    • Industrial Property Rights Holder
      高エネルギー加速器研究機構
    • Industrial Property Rights Type
      特許
    • Filing Date
      2014-02-28
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Patent] 情報処理装置、情報処理方法及びプログラム2011

    • Inventor(s)
      富安亮子
    • Industrial Property Rights Holder
      高エネルギー加速器研究機構
    • Industrial Property Number
      2011-058571
    • Filing Date
      2011-03-16
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] 数論の実社会への応用について2021

    • Author(s)
      富安 (大石) 亮子
    • Organizer
      九州代数的整数論2021春 (KANT2021)
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03628
  • [Presentation] Mathematical Tools that Connect Different Indexing Analyses2020

    • Author(s)
      Ryoko Oishi-Tomiyasu
    • Organizer
      The 2nd International Online Conference on Crystals
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03628
  • [Presentation] 数理結晶学における格子の問題 Lattice2020

    • Author(s)
      富安 (大石) 亮子
    • Organizer
      日本数学会 2020年度秋季総合分科会
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03628
  • [Presentation] On the distribution of vanishing Fourier coefficients of average theta series on the Voronoi graph and its application to crystallography2011

    • Author(s)
      富安亮子
    • Organizer
      第14回整数論オータムワークショップ
    • Place of Presentation
      白馬ハイマウントホテル
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] Algorithm and performance of a new powder indexing software Conograph2011

    • Author(s)
      R.Oishi-Tomiyasu, T.Kamiyama
    • Organizer
      IUCr2011 XXII Congress and General Assembly
    • Place of Presentation
      Av.de la Capital de Espana Madrid(スペイン)
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] 新しい粉末指数づけアルゴリズムとその実行結果について2011

    • Author(s)
      富安亮子、神山崇
    • Organizer
      日本結晶学会
    • Place of Presentation
      北海道大学
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] Application of topographs to auto-indexing of powder diffraction patterns2010

    • Author(s)
      Ryoko Oishi-Tomiyasu
    • Organizer
      MathCryst Satellite Conference of ECM26
    • Place of Presentation
      Darmstadtium congress centre, Germany
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] CM体の相対イデアル類群とPfister formの対応について2010

    • Author(s)
      富安亮子
    • Organizer
      研究集会「代数的整数論とその周辺」
    • Place of Presentation
      京都大学
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] On execution of Pawley method without intensity constraints on overlapping reflections2010

    • Author(s)
      R.Oishi-Tomiyasu, M.Yonemura, A.Hoshikawa, S.Torii, T.Ishigaki, T.Kamiyama
    • Organizer
      ECM26
    • Place of Presentation
      Darmstadtium congress centre, Germany
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] 新しい粉末指数づけアルゴリズムとその実行結果について

    • Author(s)
      富安亮子, 神山崇
    • Organizer
      日本結晶学会年会
    • Place of Presentation
      北海道大学
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] CM 体の相対イデアル類群とPfister form の対応について

    • Author(s)
      富安亮子
    • Organizer
      研究集会「代数的整数論とその周辺」
    • Place of Presentation
      京都大学
    • Data Source
      KAKENHI-PROJECT-22740077
  • [Presentation] 結晶学の格子決定問題(粉末指数づけ)への格子簡約理論の応用

    • Author(s)
      富安亮子
    • Organizer
      日本応用数理学会2012年会
    • Place of Presentation
      稚内全日空ホテル
    • Data Source
      KAKENHI-PROJECT-22740077

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