顔写真

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Yasui Kouichi
安井　弘一
Yasui Kouichi
安井　弘一
Graduate School of Information Science and Technology　Department of Pure and Applied Mathematics, Associate Professor

keyword topology，4-manifolds，smooth structures

Research History 6

  1. 2017/04 - Present
    Department of Pure and Applied Mathematics, Graduate School of Information Science and Technology, Osaka University　Associate Professor

  2. 2011/04 - 2017/03
    Department of Mathematics, Graduate School of Science, Hiroshima University　Assistant Professor

  3. 2010/04 - 2011/03
    Japan Society for the Promotion of Science (JSPS)　Research Fellowship for Young Scientists (PD)

  4. 2009/04 - 2010/03
    Research Institute for Mathematical Sciences, Kyoto University　GCOE Program-Specific Research Fellow

  5. 2009/01 - 2009/03
    Japan Society for the Promotion of Science (JSPS)　Research Fellowship for Young Scientists (PD)

  6. 2007/04 - 2008/12
    Japan Society for the Promotion of Science (JSPS)　Research Fellowship for Young Scientists (DC2)

Education 1

  1. Osaka University　Graduate School of Science　Doctoral Course, Department of Mathematics

    2006/04 - 2008/12

Committee Memberships 16

  1. 研究集会「４次元トポロジー」　世話人

    2024/04 - 2024/11

  2. 日本数学会トポロジー分科会　トポロジー分科会選出評議員候補者選挙管理委員　Academic society

    2024/04 - 2024/09

  3. Four Dimensional Topology　organaizer

    2023/04 - 2023/11

  4. Four Dimensional Topology　Organaize

    2022/04 - 2022/11

  5. Four Dimensional Topology　Organizer　Other

    2021/04 - 2021/11

  6. Four Dimensional Topology　Organizer　Other

    2020/04 - 2020/11

  7. 4-Dimensional Topology and Gauge Theory　Organizer

    2019/12 - 2020/01

  8. Four Dimensional Topology　Organizer

    2019/04 - 2019/12

  9. The International Conference ``Four Dimensional Topology''　Organizer　Other

    2018/04 - 2018/09

  10. Four Dimensional Topology　Organizer

    2017/04 - 2017/11

  11. Four Dimensional Topology　Organizer

    2016/04 - 2016/11

  12. Four Dimensional Topology　Organizer

    2015/04 - 2015/11

  13. Four Dimensional Topology　Organizer

    2014/04 - 2014/11

  14. Four Dimensional Topology　Organizer

    2013/04 - 2013/11

  15. Four Dimensional Topology　Organizer

    2012/04 - 2012/11

  16. Four Dimensional Topology　Organizer

    2011/04 - 2011/11

Professional Memberships 1

  1. THE MATHEMATICAL SOCIETY OF JAPAN

Research Areas 1

  1. Natural sciences / Geometry / Topology

Awards 2

  1. Distinguished Paper Award of 2017 ICCM Best Paper Award

    Tian-Jun Li, Cheuk Yu Mak, Kouichi Yasui　The International Consortium of Chinese Mathematicians　2017/12

  2. The MSJ Takebe Katahiro Prize for Encouragement of Young Researchers

    Kouichi Yasui　The Mathematical Society of Japan　2009/09

Papers 22

  1. The simple type conjecture for mod 2 Seiberg–Witten invariants

    Tsuyoshi Kato, Nobuhiro Nakamura, Kouichi Yasui

    Journal of the European Mathematical Society　Vol. 25　No. 12　p. 4869-4877　2023/11　Research paper (scientific journal)

    Publisher: European Mathematical Society - EMS - Publishing House GmbH

  2. ４次元多様体の微分構造と種数関数

    安井弘一

    日本数学会 2023 年度秋季総合分科会トポロジー分科会講演アブストラクト　p. 73-82　2023/09

  3. Geometrically simply connected 4-manifolds and stable cohomotopy Seiberg-Witten invariants

    Kouichi Yasui

    Geometry & Topology　Vol. 23　No. 5　p. 2685-2697　2019/10　Research paper (scientific journal)

  4. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Transactions of the American Mathematical Society　Vol. 372　No. 8　p. 5375-5392　2019/10　Research paper (scientific journal)

  5. On twists and surgeries generating exotic smooth structures

    Kouichi Yasui

    Intelligence of Low-dimensional Topology. RIMS Kokyuroku　Vol. 2099　p. 30-35　2018/12　Research paper (bulletin of university, research institution)

  6. Nonexistence of Stein structures on 4-manifolds and maximal Thurston-Bennequin numbers

    Kouichi Yasui

    JOURNAL OF SYMPLECTIC GEOMETRY　Vol. 15　No. 1　p. 91-105　2017/03　Research paper (scientific journal)

  7. Calabi-Yau caps, uniruled caps and symplectic fillings

    Tian-Jun Li, Cheuk Yu Mak, Kouichi Yasui

    PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY　Vol. 114　No. 1　p. 159-187　2017/01　Research paper (scientific journal)

  8. Maximal Thurston-Bennequin number and reducible Legendrian surgery

    Kouichi Yasui

    COMPOSITIO MATHEMATICA　Vol. 152　No. 9　p. 1899-1914　2016/09　Research paper (scientific journal)

  9. Stein 4-manifolds and knots

    Kouichi Yasui

    Proceedings of the 63rd Topology Symposium　p. 45-54　2016　Research paper (conference, symposium, etc.)

  10. Contact 5-manifolds admitting open books with exotic pages

    Selman Akbulut, Kouichi Yasui

    Mathematical Research Letters　Vol. 22　No. 6　p. 1589-1599　2015　Research paper (scientific journal)

    Publisher: International Press of Boston, Inc.

  11. Infinitely many small exotic Stein fillings

    Selman Akbulut, Kouichi Yasui

    JOURNAL OF SYMPLECTIC GEOMETRY　Vol. 12　No. 4　p. 673-684　2014　Research paper (scientific journal)

  12. GLUCK TWISTING 4-MANIFOLDS WITH ODD INTERSECTION FORM

    Selman Akbulut, Kouichi Yasui

    MATHEMATICAL RESEARCH LETTERS　Vol. 20　No. 2　p. 385-389　2013　Research paper (scientific journal)

  13. CORK TWISTING EXOTIC STEIN 4-MANIFOLDS

    Selman Akbulut, Kouichi Yasui

    JOURNAL OF DIFFERENTIAL GEOMETRY　Vol. 93　No. 1　p. 1-36　2013/01　Research paper (scientific journal)

  14. Stein 4-manifolds and corks

    Selman Akbulut, Kouichi Yasui

    Journal of Gokova Geometry Topology　Vol. 6　p. 58-79　2012　Research paper (scientific journal)

  15. SMALL EXOTIC RATIONAL SURFACES WITHOUT 1- AND 3-HANDLES

    Kouichi Yasui

    TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY　Vol. 362　No. 11　p. 5893-5907　2010/11　Research paper (scientific journal)

  16. Small exotic Stein manifolds

    Selman Akbulut, Kouichi Yasui

    COMMENTARII MATHEMATICI HELVETICI　Vol. 85　No. 3　p. 705-721　2010　Research paper (scientific journal)

  17. Knotting corks

    Selman Akbulut, Kouichi Yasui

    JOURNAL OF TOPOLOGY　Vol. 2　No. 4　p. 823-839　2009　Research paper (scientific journal)

  18. Corks, plugs and exotic 4-manifolds (joint work with Selman Akbulut)

    Kouichi Yasui

    Proceedings of the 56th Topology Symposium　p. 43-52　2009　Research paper (conference, symposium, etc.)

  19. Elliptic surfaces without 1-handles

    Kouichi Yasui

    JOURNAL OF TOPOLOGY　Vol. 1　No. 4　p. 857-878　2008/10　Research paper (scientific journal)

  20. Corks, Plugs and exotic structures

    Selman Akbulut, Kouichi Yasui

    Journal of Gokova Geometry Topology　Vol. 2　p. 40-82　2008　Research paper (scientific journal)

  21. Exotic rational elliptic surfaces without 1-handles

    Kouichi Yasui

    ALGEBRAIC AND GEOMETRIC TOPOLOGY　Vol. 8　No. 2　p. 971-996　2008　Research paper (scientific journal)

  22. An exotic rational elliptic surface without 1- or 3-handles

    Kouichi Yasui

    Intelligence of Low Dimensional Topology 2006　2007　Research paper (international conference proceedings)

Misc. 6

  1. Corks, exotic 4-manifolds and genus functions

    Kouichi Yasui

    arXiv:2501.18584　2025/01　Internal/External technical report, pre-print, etc.

  2. Upper bounds for virtual dimensions of Seiberg-Witten moduli spaces

    Tsuyoshi Kato, Daisuke Kishimoto, Nobuhiro Nakamura, Kouichi Yasui

    arXiv:2111.15201　2021/11

  3. Contact 5-manifolds and smooth structures on Stein 4-manifolds

    Kouichi Yasui

    arXiv:1604.03460　2016/04/13　Internal/External technical report, pre-print, etc.

  4. Corks, exotic 4-manifolds and knot concordance

    Kouichi Yasui

    arXiv:1505.02551 (accepted for publication in Journal of Differential Geometry)　2015/05

  5. Partial twists and exotic Stein fillings

    Kouichi Yasui

    arXiv:1406.0050　2014/05　Internal/External technical report, pre-print, etc.

  6. Nuclei and exotic 4-manifolds

    Kouichi Yasui

    arXiv:1111.0620　2011/11/02　Internal/External technical report, pre-print, etc.

Presentations 103

  1. Genus functions of 4-manifolds and their applications

    Kouichi Yasui

    Topology and Geometry of Low-Dimensional Manifolds 2024　2024/11

  2. 4-manifolds and genera of surfaces

    Kouichi Yasui

    2024/09/19

  3. Genus functions of 4-manifolds and their applications

    Kouichi Yasui

    Differential Topology ’24 Cork, exotic structure, concordance　2024/03/27

  4. Exotic 4-manifolds and genus functions”,

    Kouichi Yasui

    Four Dimensional Topology　2023/11

  5. ４次元多様体の微分構造と種数関数

    安井弘一

    日本数学会 2023 年度秋季総合分科会（特別講演）　2023/09/22

  6. Sums of 4-manifolds, genus functions and their applications

    Kouichi Yasui

    Gauge Theory in Kyoto　2023/03

  7. Sums of 4-manifolds, genus functions and their applications

    Kouichi Yasui

    Topology Seminar　2022/12

  8. Sums of 4-manifolds, genus functions and their applications

    4-Manifolds: From Above and Below　2022/09

  9. Stably exotic pairs of closed 4-manifolds and their applications

    Kouichi Yasui

    研究集会「４ 次元トポロジー」　2021/11/13

  10. Embedded surfaces and the simple type conjecture

    Kouichi Yasui

    Four Dimensional Topology　2020/11/22

  11. Minimal genus functions and constraints on 4-manifolds

    Kouichi Yasui

    International Workshop on 4-Manifold Theory and Gauge Theory　2020/11

  12. Stably exotic 4-manifolds

    Kouichi Yasui

    4-Dimensional Topology and Gauge Theory　2020/01

  13. Stably exotic 4-manifolds

    Kouichi Yasui

    4-Dimensional Topology　2019/12

  14. Smooth 4-manifolds and geometric simple connectivity

    Kouichi Yasui

    Kyoto University Colloquium　2019/10

  15. Smooth 4-manifolds and geometric simple connectivity

    Kouichi Yasui

    Hiroshima University Colloquium　2019/06

  16. Minimal genus functions and smooth structures of 4-manifolds

    Kouichi Yasui

    Workshop on Lefschetz Pencils and Low dimensional Topology　2019/06

  17. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Workshop on low-dimensional topology　2019/05

  18. Minimal genus functions and smooth structures of 4-manifolds

    Kouichi Yasui

    Workshop on low-dimensional topology　2019/05

  19. Minimal genus functions and smooth structures of 4-manifolds

    Kouichi Yasui

    Differential Topology 19 Knotted surfaces in 4-manifolds and their surgeries　2019/03

  20. Minimal genus functions and smooth structures of 4-manifolds

    Kouichi Yasui

    Knotted surfaces in 4-manifolds　2018/10

  21. Geometrically simply connected 4-manifolds and stable cohomotopy Seiberg-Witten invariants

    Kouichi Yasui

    Four Dimensional Topology　2018/09

  22. Corks and exotic 4-manifolds represented by framed knots

    Kouichi Yasui

    The topology and geometry of low-dimensional manifolds: a celebration of the mathematics of Bob Gompf　2018/07

  23. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Intelligence of Low-dimensional Topology　2018/05/31

  24. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Kyushyu University Friday Topolgy Seminar　2018/05/11

  25. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Four Dimensional Topology　2017/11

  26. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2017　2017/09

  27. Nonexistence of twists and surgeries generating exotic 4-manifolds

    Kouichi Yasui

    Low Dimensional Topology and Gauge Theory　2017/08

  28. Exotic Stein fillings of contact 3-manifolds

    Kouichi Yasui

    The Third Pacific Rim Mathematical Association (PRIMA) Congress　2017/08

  29. Smooth structures of 4-manifolds and corks

    Kouichi Yasui

    Osaka University Colloquium　2017/04

  30. Contact 5-manifolds and smooth structures on Stein 4-manifolds

    Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2016　2016/09

  31. ４次元シュタイン多様体と結び目

    Kouichi Yasui

    The 63rd Topology Symposium　2016/07

  32. Nonexistence of Stein structures on 4-manifolds and maximal Thurston-Bennequin numbers

    Kouichi Yasui

    The Mathematical Society of Japan Spring Meeting 2016　2016/03

  33. Maximal Thurston-Bennequin number and reducible Legendrian surgery

    Kouichi Yasui

    The Mathematical Society of Japan Spring Meeting 2016　2016/03

  34. Smooth structures of Stein 4-manifolds and contact structures of 5-manifolds

    Kouichi Yasui

    Differential Topology 16　2016/03

  35. Corks, exotic 4-manifolds and knot concordance

    Kouichi Yasui

    Branched Coverings, Degenerations, and Related Topics 2016　2016/03

  36. Corks, exotic 4-manifolds and knot concordance

    Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2015　2015/09

  37. Contact 5-manifolds admitting open books with exotic Stein pages

    Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2015　2015/09

  38. Corks, exotic 4-manifolds and knot concordance

    Kouichi Yasui

    Friday Seminar on Knot Theory　2015/06

  39. Exotic 4-manifolds and non-concordant knots with the same 0-surgery

    Kouichi Yasui

    Hiroshima University Topology-Geometry Seminar　2015/04

  40. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Differential Topology 15　2015/03

  41. Corks and exotic smooth structures on 4-manifolds

    Kouichi Yasui

    Colloquium　2014/11

  42. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Topology Seminar　2014/11

  43. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Topology Seminar　2014/10

  44. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Differential Geometry and Symplectic Topology Seminar　2014/09

  45. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Workshop on Topology and Invariants of 4-Manifolds　2014/08

  46. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Tokyo Institute of Technology Topology Seminar　2014/07

  47. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Hiroshima University Topology-Geometry Seminar　2014/06/24

  48. Partial twists and exotic Stein fillings

    Kouichi Yasui

    Geometry Colloquium　2014/06/13

  49. Partial twists and exotic Stein fillings

    Kouichi Yasui

    The Mathematical Society of Japan Spring Meeting 2016　2014/03

  50. On applications of Stein structures to 4-manifolds I

    Kouichi Yasui

    Contact structures, singuralities, differential equations, and related topics　2014/01

  51. On applications of Stein structures to 4-manifolds II

    Kouichi Yasui

    Contact structures, singuralities, differential equations, and related topics　2014/01

  52. Corks and exotic 4-manifolds

    Kouichi Yasui

    2013 The Mathematical Society of Japan Autumn Meeting　2013/03

  53. Nuclei, exotic Stein 4-manifolds and exotic S^2-links

    Kouichi Yasui

    FRG Topology Workshop 2013 Topology and Invariants of Smooth 4-manifolds　2013/03

  54. Exotic S^2-knots and Gluck twists

    Kouichi Yasui

    Four Dimensional Topology　2012/11

  55. Gluck twisting 4-manifolds with odd intersection form

    Selman Akbulut, Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2012　2012/09

  56. Corks and exotic 4-manifolds

    Kouichi Yasui

    Conference on Holomorphic Curves and Low Dimensional Topology　2012/08

  57. Cork twisting exotic Stein 4-manifolds

    Kouichi Yasui

    Invariants in Low-Dimensional Topology and Knot Theory　2012/06

  58. Nuclei and exotic 4-manifolds

    Kouichi Yasui

    FRG Workshop 2012 Topology and Invariants of Smooth 4-manifolds　2012/03

  59. Nuclei and exotic 4-manifolds

    Kouichi Yasui

    The 8th East Asian School of Knots and Related Topics　2012/01

  60. Smooth structures of 4-manifolds and genera of closed surfaces

    Kouichi Yasui

    Kindai Colloquium　2011/12

  61. Exotic 4-manifolds with boundary, minimal genera and Stein fillable 3-manifolds

    Kouichi Yasui

    Four Dimensional Topology　2011/11

  62. Cork twisting exotic Stein 4-manifolds

    Selman Akbulut, Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2011　2011/09

  63. Cork twisting exotic Stein 4-manifolds

    Kouichi Yasui

    Osaka University Topology Seminar　2011/08

  64. Corks of 4-manifolds and their applications

    Kouichi Yasui

    Hiroshima University Colloquium　2011/06

  65. Cork twisting exotic Stein 4-manifolds

    Kouichi Yasui

    Eighteenth Gokova Geometry/Topology Conference　2011/06

  66. Cork twisting exotic Stein 4-manifolds

    Kouichi Yasui

    Hiroshima University Topology-Geometry Seminar　2011/04

  67. Cork twisting exotic Stein 4-manifolds

    Kouichi Yasui

    Four Dimensional Topology　2010/11

  68. On the genera of closed surfaces embedded in 4-manifolds

    Kouichi Yasui

    Kansai Low Dimensional Topology Seminar for Young Researchers　2010/05

  69. On corks of 4-manifolds (joint work with Selman Akbulut)

    Kouichi Yasui

    Branched Coverings, Degenerations, and Related Topics 2010　2010/03

  70. Kirby calculus and related topics

    Kouichi Yasui

    Intensive Lectures on Lefschetz fibration　2010/02

  71. Corks, plugs and exotic 4-manifolds (1)

    Kouichi Yasui

    Intensive Lectures on Lefschetz fibration　2010/02

  72. Corks, plugs and exotic 4-manifolds (2)

    Kouichi Yasui

    Intensive Lectures on Lefschetz fibration　2010/02

  73. Corks, plugs and exotic 4-manifolds (3)

    Kouichi Yasui

    Intensive Lectures on Lefschetz fibration　2010/02

  74. On corks of 4-manifolds

    Kouichi Yasui

    Colloquium　2010/01

  75. Applications of Stein 4-manifolds to corks (joint work with Selman Akbulut)

    Kouichi Yasui

    Four Dimensional Topology　2010/01

  76. Diagrams of 4-manifolds and their algebraic applications

    Kouichi Yasui

    Kurume Seminar　2009/11

  77. On corks of 4-manifolds (joint work with Selman Akbulut)

    Kouichi Yasui

    Friday Seminar on Knot Theory　2009/11

  78. M. H. Freedman の論文: The Topology of Four-Dimensional Manifolds の第2, 3章の解説

    安井 弘一

    キャッソン・フリードマン理論研究会　2009/10

  79. Corks, plugs and exotic 4-manifolds (joint work with Selman Akbulut)

    Kouichi Yasui

    The 56th Topology Symposium　2009/08

  80. Corks, plugs and exotic 4-manifolds

    Kouichi Yasui

    Differential Topology Seminar　2009/06

  81. On corks of 4-manifolds

    Kouichi Yasui

    Osaka University Topology Seminar　2009/06

  82. Corks, plugs and exotic 4-manifolds

    Kouichi Yasui

    Sixteenth Gokova Geometry/Topology Conference　2009/05

  83. Corks, plugs and exotic 4-manifolds

    Kouichi Yasui

    The Mathematical Society of Japan Spring Meeting 2009　2009/03

  84. Corks, plugs and exotic 4-manifolds (joint work with Selman Akbulut (MSU))

    Kouichi Yasui

    Four Dimensional Topology　2009/01

  85. Elliptic surfaces without 1-handles

    Kouichi Yasui

    The Mathematical Society of Japan Autumn Meeting 2008　2008/09

  86. Elliptic surfaces without 1-handles

    Kouichi Yasui

    Friday Seminar on Knot Theory　2008/06

  87. Elliptic surfaces without 1-handles

    Kouichi Yasui

    Osaka University Topology Seminar　2008/05/27

  88. Elliptic surfaces without 1-handles

    Kouichi Yasui

    幾何学セミナー　2008/05/13

  89. Exotic rational surfaces without 1-handles

    Kouichi Yasui

    Topology Seminar　2007/12

  90. Exotic rational surfaces without 1-handles I

    Kouichi Yasui

    Low Dimensional Geometry and Infinite Dimensional Geometry　2007/09

  91. Exotic rational surfaces without 1-handles II

    Kouichi Yasui

    Low Dimensional Geometry and Infinite Dimensional Geometry　2007/09

  92. Small exotic rational surfaces without 1- and 3-handle

    Kouichi Yasui

    Keio University - Osaka University Joint Seminar for Young Researchers　2007/07

  93. Introduction to Kirby Calculus

    Kouichi Yasui

    キャッソンハンドル勉強会　2007/05

  94. Small exotic rational surfaces without 1- and 3-handle

    Kouichi Yasui

    Friday Seminar on Knot Theory　2007/04

  95. Exotic rational elliptic surfaces without 1-handles

    Kouichi Yasui

    The Mathematical Society of Japan Spring Meeting 2007　2007/03

  96. Exotic rational elliptic surfaces without 1-handles

    Kouichi Yasui

    Osaka University Winter School　2007/02/18

  97. Exotic rational elliptic surfaces without 1-handles

    Kouichi Yasui

    The third Mathematics Conference for Young Researchers　2007/02/15

  98. Small exotic rational surfaces without 1 and 3-handles

    Kouichi Yasui

    Four Dimensional Topology　2007/01

  99. Exotic rational elliptic surfaces without 1-handles

    Kouichi Yasui

    Transformation Group Seminar　2006/09

  100. An exotic rational elliptic surface without 1- or 3-handles

    Kouichi Yasui

    Intelligence of Low Dimensional Topology 2006　2006/07

  101. Exotic rational surfaces without 1-handles

    Kouichi Yasui

    Geometry Seminar　2006/06

  102. Exotic rational surfaces without 1-handles

    Kouichi Yasui

    Low Dimensional Topology Seminar　2006/04

  103. Exotic 4-manifolds and genus functions

    Kouichi Yasui

    Geometry Colloquium　2024/12

Social Activities 5

  • トポロジーと４次元多様体

    大阪大学大学院情報科学研究科　大阪大学大学院情報科学研究科「一日体験教室」

    2024/05/03 - 2024/05/03

  • トポロジーと４次元多様体

    大阪大学理学部数学科　高校生のための公開講座

    2023/11/04 - 2023/11/04

  • トポロジーと図形

    大阪大学大学院情報科学研究科

    2021/05 - 2021/05

  • トポロジーで図形を見てみよう

    大阪大学大学院情報科学研究科

    2021/05 - 2021/05

  • トポロジーと図形の見方

    大阪大学理学部

    2018/08 - 2018/08

Other 10

  1. Osaka University Topology Seminar: organizer

    2019 - Present

  2. 安井研究室指導学生・配属研究員

    2025/04 - 2026/03

  3. 安井研究室指導学生

    2024/04 - 2025/03

  4. 安井研究室指導学生

    2023/04 - 2024/03

  5. 安井研究室指導学生

    2022/04 - 2023/03

  6. 安井研究室指導学生

    2021/04 - 2022/03

  7. 安井研究室指導学生

    2020/04 - 2021/03

  8. 安井研究室指導学生

    2019/04 - 2020/03

  9. Osaka University Four Dimensional Topology Seminar: organizer

    2017/04 - 2019/03

  10. Hiroshima University Topology-Geometry Seminar: organizer

    2011/04 - 2017/03