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Construction of harmonic maps into hyperbolic space and applications to surface theory in homogeneous spaces

Research Project

Project/Area Number 19K03461
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 11020:Geometry-related
Research InstitutionHokkaido University (2022-2023)
University of Tsukuba (2019-2021)

Principal Investigator

Inoguchi Junichi  北海道大学, 理学研究院, 教授 (40309886)

Project Period (FY) 2019-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords調和写像 / ループ群 / 対称空間 / 極小曲面 / グラスマン幾何 / サーストン幾何 / 等質空間 / 曲面 / 双曲空間 / 磁場軌道 / 接触構造 / J-軌道 / 磁場曲線 / 重調和写像 / 可解リー群 / ハイゼンベルグ群 / リー球面幾何 / LCK多様体 / 統計リー群 / ガウス写像 / デモラン曲面 / 射影微分幾何 / 反ド・ジッター空間
Outline of Research at the Start

サーストンの分類により3次元幾何学には8種の基本となる空間(モデル空間)が存在する。定曲率空間でない5種のモデル空間における曲面の微分幾何学・幾何学的変分問題の展開が熱望されているが対称性の低さのために困難を極めている。本研究は非定曲率モデル空間内の平均曲率一定曲面の構成法を与えることが目的である。
本研究では対称性を備えた「リーマン面を定義域とし2次元双曲空間に値をもつ調和写像」のループ群論を用いた構成法を与える。この構成法を基軸とし、3次元反ド・ジッター空間(AdS3)内の平均曲率0の空間的曲面(極大曲面)および非定曲率モデル空間内の平均曲率一定曲面を構成することを具体的目標とする。

Outline of Final Research Achievements

We constructed minimal surfaces with symmetry and of non-trivial topological type in the 3-dimensional Heisenberg group, which is the model space of nilgeometry in the sense of Thurston. Next we established a loop group method for constructing constant Gaussian curvature (of arbitrary value) in the hyperbolic 3-space. We classified orbital surfaces of Grassmann geometry in the Riemannian product of the hyperbolic plane and the real line. Moreover we obtained some mathematical contributions to geometric design through similarity geometry and to architectural design through Lie sphere geometry. Some applications to information geometry are also given.

Academic Significance and Societal Importance of the Research Achievements

これまでおもに位相幾何学的手法で研究されてきた3次元モデル空間を微分幾何学、とくに曲面の微分幾何学の観点からの研究を行い、それぞれの空間の特質を平均曲率一定曲面の性質から捉える新たな展開の出発点を確保できた点が本研究の主要な学術的意義である。研究過程で得られた成果を、他の幾何学的問題にも応用し本研究の有用性を確かめることができた。具体的には相似幾何を介した工業意匠設計、リー球面幾何を介した建築構造設計、可解リー群を介した情報幾何学である。本研究はリー群と微分方程式を駆使し偏微分方程式の解を具体的に構成する手法を開発して展開され、それらが種々の数学的な問題にも適用できることが示された。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (68 results)

All 2024 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (18 results) Journal Article (33 results) (of which Int'l Joint Research: 26 results,  Peer Reviewed: 33 results,  Open Access: 10 results) Presentation (14 results) (of which Int'l Joint Research: 3 results,  Invited: 12 results) Book (3 results)

  • [Int'l Joint Research] ヤシ大学(ルーマニア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] ザグレブ大学(クロアチア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] 全南大学校(韓国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] ニュー・サウス・ウェールズ大学(オーストラリア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] ミュンヘン工科大学(ドイツ)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] ヤシ大学(ルーマニア)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] ザグレブ大学(クロアチア)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] 全南大学校(韓国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] ミュンヘン工科大学(ドイツ)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ヤシ大学(ルーマニア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ザグレブ大学(クロアチア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] マレーシア大学(マレーシア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ブダペスト工科経済大学(ハンガリー)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ミュンヘン工科大学(ドイツ)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] ヤシ大学(ルーマニア)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] ザグレブ大学(クロアチア)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] 啓明大学校(韓国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] ヤシ大学(ルーマニア)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Killing submersions and magnetic curves2023

    • Author(s)
      Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      Journal of Mathematical Analysis and Applications

      Volume: 520 Issue: 2 Pages: 126889-126889

    • DOI

      10.1016/j.jmaa.2022.126889

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Magnetic Jacobi fields in Sasakian space forms2023

    • Author(s)
      Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      Mediterranean Journal of Mathematics

      Volume: 20 Issue: 1

    • DOI

      10.1007/s00009-022-02230-z

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Almost Kenmotsu 3-manifolds with pseudo-parallel characteristic Jacobi operator2023

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      Results in Mathematics

      Volume: 78 Issue: 2

    • DOI

      10.1007/s00025-022-01817-y

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Magnetic unit vector fields2023

    • Author(s)
      Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas

      Volume: 117 Issue: 2

    • DOI

      10.1007/s13398-023-01399-6

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Killing slant magnetic curves in the 3-dimensional Heisenberg group Nil32023

    • Author(s)
      Druta-Romaniuc Simona-Luiza、Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      International Journal of Geometric Methods in Modern Physics

      Volume: 20 Issue: 06

    • DOI

      10.1142/s0219887823500949

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Killing magnetic curves in H32023

    • Author(s)
      Erjavec Zlatko、Inoguchi Jun-ichi
    • Journal Title

      International Electronic Journal of Geometry

      Volume: 16 Issue: 1 Pages: 181-195

    • DOI

      10.36890/iejg.1243521

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Minimal Submanifolds in Sol4_02023

    • Author(s)
      Erjavec Zlatko、Inoguchi Jun-ichi
    • Journal Title

      The Journal of Geometric Analysis

      Volume: 33 Issue: 9

    • DOI

      10.1007/s12220-023-01323-9

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Contact 3-manifolds with pseudo-parallel characteristic Jacobi operator2023

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      Mediterranean Journal of Mathematics

      Volume: 20 Issue: 5

    • DOI

      10.1007/s00009-023-02474-3

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Pseudo-symmetric almost cosymplectic 3-manifolds2023

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      International Journal of Geometric Methods in Modern Physics

      Volume: 20 Issue: 10

    • DOI

      10.1142/s021988782350175x

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Log-aesthetic curves: Similarity geometry, integrable discretization and variational principles2023

    • Author(s)
      Inoguchi Jun-ichi、Jikumaru Yoshiki、Kajiwara Kenji、Miura Kenjiro T.、Schief Wolfgang K.
    • Journal Title

      Computer Aided Geometric Design

      Volume: 105 Pages: 102233-102233

    • DOI

      10.1016/j.cagd.2023.102233

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Minimal submanifolds in Sol4_02023

    • Author(s)
      Erjavec Zlatko、Inoguchi Jun-ichi
    • Journal Title

      Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas

      Volume: 117 Issue: 4

    • DOI

      10.1007/s13398-023-01489-5

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] J-trajectories in 4-dimensional solvable Lie group Sol4_12023

    • Author(s)
      Erjavec Zlatko、Inoguchi Jun-ichi
    • Journal Title

      Journal of Nonlinear Science

      Volume: 33 Issue: 6

    • DOI

      10.1007/s00332-023-09968-0

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Characteristic Jacobi operator on almost Kenmotsu 3-manifolds2023

    • Author(s)
      Inoguchi Jun-ichi
    • Journal Title

      International Electronic Journal of Geometry

      Volume: 16 Issue: 2 Pages: 464-525

    • DOI

      10.36890/iejg.1300339

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] On the η-parallelism in almost Kenmotsu 3-manifolds2023

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      Journal of the Korean Mathematical Society

      Volume: 60 Pages: 1303-1336

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Homogeneity of magnetic trajectories in the real special linear group2023

    • Author(s)
      Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      Proceedings of the American Mathematical Society

      Volume: 152 Pages: 1287-1300

    • DOI

      10.1090/proc/16596

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Minimal surfaces with non-trivial geometry in the three-dimensional Heisenberg group2022

    • Author(s)
      Dorfmeister Josef F.、Inoguchi Jun-ichi、Kobayashi Shimpei
    • Journal Title

      Complex Manifolds

      Volume: 9 Issue: 1 Pages: 285-336

    • DOI

      10.1515/coma-2021-0141

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Biharmonic curves in f-Kenmotsu 3-manifolds2022

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      Journal of Mathematical Analysis and Applications

      Volume: 509 Issue: 1 Pages: 125941-125941

    • DOI

      10.1016/j.jmaa.2021.125941

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] J-trajectories in Vaisman manifolds2022

    • Author(s)
      Inoguchi Jun-ichi、Lee Ji-Eun
    • Journal Title

      Differential Geometry and its Applications

      Volume: 82 Pages: 101882-101882

    • DOI

      10.1016/j.difgeo.2022.101882

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] On some curves in 3-dimensional hyperbolic geometry and solvgeometry2022

    • Author(s)
      Inoguchi Jun-ichi
    • Journal Title

      Journal of Geometry

      Volume: 113 Issue: 2 Pages: 37-37

    • DOI

      10.1007/s00022-022-00650-6

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Slant Curves and Magnetic Curves2022

    • Author(s)
      Inoguchi Jun-ichi、Munteanu Marian Ioan
    • Journal Title

      Contact Geometry of Slant Submanifolds

      Volume: - Pages: 199-259

    • DOI

      10.1007/978-981-16-0017-3_9

    • ISBN
      9789811600166, 9789811600173
    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Magnetic Jacobi fields in 3-dimensional Sasakian space forms2022

    • Author(s)
      Inoguchi, Jun-ichi, Munteanu, Marian Ioan
    • Journal Title

      The Journal of Geometric Analysis

      Volume: 32 Issue: 3

    • DOI

      10.1007/s12220-021-00851-6

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] J-trajectories in 4-dimensional solvable Lie group Sol_0^42022

    • Author(s)
      Erjavec, Zlatko, Inoguchi, Jun-ichi
    • Journal Title

      Mathematical Physics, Analysis and Geometry

      Volume: 25 Issue: 1

    • DOI

      10.1007/s11040-022-09418-5

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A characterization of the alpha-connections on the statistical manifold of normal distributions2021

    • Author(s)
      H. Furuhata, J. Inoguchi, S. Kobayashi
    • Journal Title

      Information Geometry

      Volume: 4 Issue: 1 Pages: 177-188

    • DOI

      10.1007/s41884-020-00037-z

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] ek-curves: Controlled Local Curvature Extrema2021

    • Author(s)
      Kenjiro T. Miura, R.U. Gobithaasan, Peter Salvi, Dan Wang, Tadatoshi Sekine, Shin Usuki, Jun-ichi Inoguchi, Kenji Kajiwara
    • Journal Title

      The Visual Computer

      Volume: - Issue: 8 Pages: 2723-2738

    • DOI

      10.1007/s00371-021-02149-8

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Magnetic curves in H3×R2021

    • Author(s)
      Erjavec, Zlatko, Inoguchi, Jun-ichi
    • Journal Title

      Journal of the Korean Mathematical Society

      Volume: 58 Pages: 1501-1511

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 魅力的な曲線たちー拡がりゆく可積分幾何・差分幾何ー2021

    • Author(s)
      井ノ口 順一
    • Journal Title

      数学

      Volume: 73 Pages: 88-103

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] The Gauss maps of Demoulin surfaces with conformal coordinates2020

    • Author(s)
      Inoguchi Jun-ichi, Kobayashi Shimpei
    • Journal Title

      Science China Mathematics

      Volume: - Issue: 7 Pages: 1479-8211

    • DOI

      10.1007/s11425-020-1738-0

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] On magnetic curves in almost cosymplectic Sol space2020

    • Author(s)
      Erjavec, Zlatko., Inoguchi, Jun-ichi
    • Journal Title

      Results in Mathematics

      Volume: 113 Issue: 3

    • DOI

      10.1007/s00025-020-01235-y

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A note on superspirals of confluent type2020

    • Author(s)
      Inoguchi, Jun-ichi, Ziatdinov, Rushan, Ziatdinov Miura, Kenjiro T.
    • Journal Title

      Mathematics

      Volume: 8 Issue: 5 Pages: 762-762

    • DOI

      10.3390/math8050762

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Characteristic Jacobi Operator on Almost Cosymplectic 3-Manifolds2019

    • Author(s)
      Inoguchi, Jun-ichi
    • Journal Title

      International Electronic Journal of Geometry

      Volume: 12 Issue: 2 Pages: 276-299

    • DOI

      10.36890/iejg.584487

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Magnetic curves on tangent sphere bundles2019

    • Author(s)
      Jun-ichi Inoguchi, Marian Ioan Munteanu
    • Journal Title

      Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas

      Volume: 113 Issue: 3 Pages: 2087-2112

    • DOI

      10.1007/s13398-018-0600-2

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Grassmann geometry on the 3-dimensional non-unimodular Lie groups2019

    • Author(s)
      Inoguchi, Jun-ichi、Naitoh, Hiroo
    • Journal Title

      Hokkaido Mathematical Journal

      Volume: 48 Issue: 2 Pages: 385-406

    • DOI

      10.14492/hokmj/1562810516

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Discrete local induction equation2019

    • Author(s)
      Sampei Hirose, Jun-ichi Inoguchi, Kenji Kajiwara, Nozomu Matsuura and Yasuhiro Ohta
    • Journal Title

      Journal of Integrable Systems

      Volume: 印刷中 Issue: 1 Pages: 1-43

    • DOI

      10.1093/integr/xyz003

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 3次元接触多様体の磁場軌道2024

    • Author(s)
      井ノ口 順一
    • Organizer
      接触構造、特異点、微分方程式及びその周辺
    • Related Report
      2023 Annual Research Report
  • [Presentation] 離散微分幾何学の発展と展望2023

    • Author(s)
      井ノ口 順一
    • Organizer
      日本建築学会大会(近畿)構造部門(シェル・空間構造)パネルディスカッション
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 接触幾何と磁場軌道2023

    • Author(s)
      井ノ口 順一
    • Organizer
      横国大幾何トポロジーセミナー
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 工業意匠設計の微分幾何学2023

    • Author(s)
      井ノ口 順一
    • Organizer
      第22回水戸幾何セミナー
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] リー球面幾何学の可能性2022

    • Author(s)
      井ノ口 順一
    • Organizer
      ミニワークショップ「微分幾何・可積分系・形状生成」
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] LCK曲面の部分多様体論2022

    • Author(s)
      井ノ口 順一
    • Organizer
      第20回水戸幾何セミナー
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Similarity geometry revisited: Differential geometry and CAGD2021

    • Author(s)
      Inoguchi, Jun-ichi
    • Organizer
      8th European Congress of Mathematics (8ECM) Minisymposium Differential Geometry: Old and New
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] アフィン接続と接触構造に関する話題から2021

    • Author(s)
      井ノ口 順一
    • Organizer
      福岡大学 微分幾何研究会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Gridshell structures with discrete curvature lines :Modeling technique and evaluation of mechanical performance2021

    • Author(s)
      Yokosuka Yohei, Inoguchi, Jun-ichi, Ohsaki Makoto, Honma, Toshio
    • Organizer
      IASS Annual Symposium 2020/21 and the 7th International Conference on Spatial Structures Inspiring the Next Generation
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 3次元球面内の曲線に関する話題2020

    • Author(s)
      井ノ口順一
    • Organizer
      北川義久教授ご退職記念研究集会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Tzitzeica方程式をめぐって2020

    • Author(s)
      井ノ口順一
    • Organizer
      リーマン面に関連する 位相幾何学
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 工業意匠設計と幾何学2019

    • Author(s)
      井ノ口順一
    • Organizer
      北九州数理科学セミナー
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] 3次元等質空間内の曲面のグラスマン幾何2019

    • Author(s)
      井ノ口順一
    • Organizer
      北九州幾何学研究集会2019
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Slant Curves in contact geometry2019

    • Author(s)
      Inoguchi, Jun-ichi
    • Organizer
      International Workshop on Geometry of Submanifolds, 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Book] 1+3次元の世界:曲面から多様体・時空へ2023

    • Author(s)
      井ノ口 順一
    • Total Pages
      268
    • Publisher
      現代数学社
    • Related Report
      2023 Annual Research Report
  • [Book] 1+2 次元の世界: ミンコフスキー空間の曲線と曲面2022

    • Author(s)
      井ノ口 順一
    • Total Pages
      204
    • Publisher
      現代数学社
    • ISBN
      9784768705766
    • Related Report
      2021 Research-status Report
  • [Book] 1+1 次元の世界: ミンコフスキー平面の幾何2021

    • Author(s)
      井ノ口 順一
    • Total Pages
      189
    • Publisher
      現代数学社
    • ISBN
      9784768705728
    • Related Report
      2021 Research-status Report

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Published: 2019-04-18   Modified: 2025-01-30  

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