河東泰之の主催・共催した研究集会・プログラム

• 国際集会・プログラム
  • Subfactors, the 32nd Taniguchi Symposium, Katata, Japan, July 6-10, 1993.
  • Modular Invariance, ADE, Subfactors and Geometry of Moduli Spaces, Kyoto，Japan, November 26-December 2, 2000.
  • Subfactors & Algebraic Aspects of Quantum Field Theory, MSRI, Berkeley, U.S.A., December 4-8, 2000.
  • Recent Advances in von Neumann Algebras, UCLA, U.S.A., May 14-17, 2003.
  • Takagi Lectures
    • The first Takagi Lectures, Kyoto, Japan, November 25-26, 2006.
    • The second Takagi Lectures, Tokyo, Japan, May 26-27, 2007.
    • The third Takagi Lectures, Tokyo, Japan, November 23, 2007.
    • The fourth Takagi Lectures, Kyoto, Japan, June 21, 2008.
    • The fifth Takagi Lectures, Tokyo, Japan, October 4-5, 2008.
    • The sixth Takagi Lectures, Sapporo, Japan, June 6-7, 2009.
    • The seventh Takagi Lectures, Tokyo, Japan, November 21-23, 2009.
    • The eighth Takagi Lectures, Kyoto, Japan, November 23, 2010.
    • The ninth Takagi Lectures, Kyoto, Japan, June 4, 2011.
    • The tenth Takagi Lectures, Kyoto, Japan, May 26, 2012.
    • The eleventh Takagi Lectures, Tokyo, Japan, November 17-18, 2012.
    • The twelfth Takagi Lectures, Tokyo, Japan, May 25-26, 2013.
    • The thirteenth Takagi Lectures, Kyoto, Japan, November 16-17, 2013.
    • The fourteenth Takagi Lectures, Tokyo, Japan, November 15-16, 2014.
    • The fifteenth Takagi Lectures, Sendai, Japan, June 27-28, 2015.
    • The sixteenth Takagi Lectures, Tokyo, Japan, November 28-29, 2015.
    • The seventeenth Takagi Lectures, Kyoto, Japan, June 18, 2016.
    • The eighteenth Takagi Lectures, Tokyo, Japan, November 5-6, 2016.
    • The nineteenth Takagi Lectures, Kyoto, Japan, July 8-9, 2017.
    • The twentieth Takagi Lectures, Tokyo, Japan, November 4, 2017.
    • The twenty-first Takagi Lectures, Kyoto, Japan, June 23, 2018.
    • The twenty-second Takagi Lectures, Tokyo, Japan, November 17-18, 2018.
    • The twenty-third Takagi Lectures, Kyoto, Japan, June 8, 2019.
    • The twenty-fourth Takagi Lectures, Kashiwa, Japan, December 8, 2019.
  • Arbeitsgemeinschaft, Algebraic Structures in Conformal Field Theories, Oberwolfach, Germany, April 1-7, 2007.
  • Program: Operator Algebras and Conformal Field Theory, Erwin Schrödinger Institute, Austria, August 25-December 14, 2008.
    • Workshop: Operator Algebras, Conformal Field Theory and Related Topics, Erwin Schrödinger Institute, Austria, September 8-19, 2008.
  • French-Japanese Scientific Forum, the University of Tokyo and Keio University, Japan, October 7-9, 2008.
  • GCOE Workshop on Operator Algebras, the University of Tokyo, Japan, January 28-29, 2009.
  • "Mathematics: From Today to Tomorrow" -- Global COE Opening Symposium at Tokyo -- , the University of Tokyo, Japan, January 30-February 1, 2009.
  • Special Session on Operator Algebras, 5th Asian Mathematical Conference, Kuala Lumpur, Malaysia, June 22-26, 2009.
  • RIMS International Project Research 2011 "Operator Algebras and their Applications", RIMS, Kyoto University, Japan, April 2011-March 2012.
    • Conference on C*-Algebras and Related Topics, RIMS, Kyoto University, Japan, September 5-9, 2011.
    • Operator Algebras and Mathematical Physics, Kansai Seminar House, Japan, October 25-28, 2011.
    • Winter School on Operator Algebras, RIMS, Kyoto University, Japan, December 7-16, 2011.
    • Conference on von Neumann Algebras and Related Topics, RIMS, Kyoto University, Japan, January 9-13, 2012.
  • Session "Conformal Field Theory" at The XXIX International Colloquium on Group-Theoretical Methods in Physics, Chern Institute of Mathematics, Tianjin, China, August 2012.
  • Miniworkshop on Operator Algebras I, II, III, IV, V, the University of Tokyo, Japan, January 11, 16, 30, March 11, 15, 2013
  • Session "Functional Analysis and Applications", Asian Mathematical Conference 2013, Busan, Korea, June 30-July 4, 2013.
  • East Asian Core Doctorial Forum on Mathematics, Kyoto University, Japan, January 20-24, 2014
  • Kavli IPMU-FMSP Workshop "Supersymmetry in Physics and Mathematics", Kavli IPMU (WPI), the University of Tokyo, Japan, March 10-20, 2014.
  • The Second China-Japan Conference on Noncommutative Geometry and K-Theory, Naha, Japan, October 4-7, 2014.
  • East Asian Core Doctorial Forum on Mathematics, National Taiwan University, Taiwan, January 19-22, 2015
  • Subfactors and Conformal Field Theory, Oberwolfach, Germany, March 23-27, 2015.
  • International Conference on Non-commutative Geometry and K-Theory, Chongqing, China, December 18-21, 2015.
  • East Asian Core Doctorial Forum on Mathematics, Fudan University, China, January 8-12, 2016.
  • MSJ-SI "Operator Algebras and Mathematical Physics", Tohoku University, Japan, August 1-12, 2016.
  • Berkeley-Tokyo Autumn School --- Quantum Field Theory and Subfactors, UC Berkeley, U.S.A., November 14-23, 2016.
  • East Asian Core Doctoral Forum on Mathematics, Seoul National University, Korea, January 6-10, 2017.
  • Subfactors, K-theory and Conformal Field Theory, Isaac Newton Institute for Mathematical Sciences, England, June 12-16, 2017.
  • East Asian Core Doctoral Forum on Mathematics, Tsinghua University, China, January 12-16, 2018.
  • Noncommutative Geometry and K-theory at Rits -The Fourth China-Japan Conference-, Ritsumeikan University, Japan, March 26-28, 2018.
  • East Asian Core Doctoral Forum on Mathematics, Tohoku University, Japan, January 9-11, 2019.
  • Theoretical studies of topological phases of matter, the University of Tokyo, Japan, February 12-15, 2019.
  • Subfactors and Applications, Oberwolfach, Germany, October 27-November 2, 2019.
  • East Asian Core Doctoral Forum on Mathematics, Kavli IPMU, the University of Tokyo, Japan, January 14-17, 2020.
  • Quantum math, singularities and applications, Okinawa Institute of Science and Technology, Japan, February 8-11, 2021.
  • RIMS International Project Research 2021 "Operator Algebras and their Applications", RIMS, Kyoto University, Japan, April 2021-March 2022.
  • Theoretical studies of topological phases of matter, Yukawa Institute for Theoretical Physics, Kyoto Univeristy, Japan, October 18-22, 2021.
  • East Asian Core Doctorial Forum on Mathematics, National Center for Theoretical Sciences, Taiwan, January 9-12, 2023.
  • Theoretical studies of topological phases of matter, International Institute for Advanced Studies, Japan, April 4-6, 2023
  • The Second Australia-China-Japan-Singapore-U.S. Index Theory Conference--Noncommutative Geometry and K-Theory, the University of Tokyo, Japan, May 29-June 2, 2023.
  • Workshop on Operator Algebras, Deformation Quantization and Related Field Theories, International Centre for Interdisciplinary Science and Education, Vietnam, July 10-14, 2023.
  • East Asian Core Doctoral Forum on Mathematics, Fudan University, China, January 8-11, 2024.
  • CREST Tutorial Workshop "Theoretical studies of topological phases of matter", Online, February 5-7, 2024.
  • China-Japan-Korea Conference on Functional Analysis, Harbin Institute of Technology, China, August 12-16, 2024.
  • Subfactors and Applications, Oberwolfach, Germany, July 28-August 1, 2025.
  • Operator Algebras and Mathematical Physics, International Centre for Mathematical Sciences, U.K., September 29-October 3, 2025.
• 国内集会・プログラム
  • 作用素環と関連する話題, Tokyo, Japan, February 19-21, 1997.
  • Summer School 数理物理
    • 非可換幾何学と数理物理, Summer School: Mathematical Physics 2002, Tokyo, Japan, September 21-23, 2002.
    • 流体力学・乱流の数理, Summer School: Mathematical Physics 2003, Tokyo, Japan, September 6-9, 2003.
    • 頂点作用素代数とモンスター, Summer School: Mathematical Physics 2004, Tokyo, Japan, August 21-24, 2004.
    • ランダム行列, Summer School: Mathematical Physics 2005, Tokyo, Japan, September 3-6, 2005.
    • Bose-Einstein condensation を巡る数理と物理, Summer School: Mathematical Physics 2007, Tokyo, Japan, August 18-21, 2007.
    • リッチフローの微分幾何と位相幾何, Summer School: Mathematical Physics 2008, Tokyo, Japan, September 27-30, 2008.
    • ベキ乗則の数理, Summer School: Mathematical Physics 2009, Tokyo, Japan, August 27-30, 2009.
    • ランダム・シュレーディンガー作用素, Summer School: Mathematical Physics 2010, Tokyo, Japan, August 26-29, 2010.
    • 可積分系の新展開, Summer School: Mathematical Physics 2011, Tokyo, Japan, August 25-28, 2011.
    • 結び目の数理と物理, Summer School: Mathematical Physics 2012, Tokyo, Japan, September 7-9, 2012.
    • 量子場の数理， Summer School: Mathematical Physics 2013, Tokyo, Japan, September 28-30, 2013.
    • トポロジカル相の数理， Summer School: Mathematical Physics 2014, Tokyo, Japan, August 29-31, 2014.
    • ホログラフィー原理と量子エンタングルメント， Summer School: Mathematical Physics 2015, Tokyo, Japan, August 28-30, 2015.
    • ミラーシンメトリーの数理と物理， Summer School: Mathematical Physics 2016, Tokyo, Japan, August 26-28, 2016.
    • 乱流とパーコレーション， Summer School: Mathematical Physics 2017, Tokyo, Japan, August 25-27, 2017.
    • 位相的場の量子論， Summer School: Mathematical Physics 2018, Tokyo, Japan, August 17-19, 2018.
    • グラフの数理と物理， Summer School: Mathematical Physics 2019, Tokyo, Japan, August 23-25, 2019.
    • 指数定理の数理， Summer School: Mathematical Physics 2020, Tokyo, Japan, August 28-30, 2020.
    • 機械学習の数理， Summer School: Mathematical Physics 2021, Tokyo, Japan, August 27-29, 2021.
    • K. Itô meets M. Sato ー確率論と可積分系の邂逅ー， Summer School: Mathematical Physics 2022, Tokyo, Japan, August 20-22, 2022.
  • 作用素環と数理物理学の研究, RIMS, Kyoto, Japan, January 23-25, 2008.
  • 作用素環論の最近の進展, the University of Tokyo, Japan, June 25-26, 2010.
  • 物質のトポロジカル相の理論的探究, 京都大学基礎物理学研究所, December 11-14, 2018.
  • Workshop "Quantum Math", Okinawa Institute of Science and Technology, Japan, March 2-3, 2019.
  • 物質のトポロジカル相の理論的探究, 東京大学大学院数理科学研究科, January 26-28, 2020.
  • Theoretical studies of topological phases of matter, 京都大学基礎物理学研究所, December 17-18, 2020.
  • 物質のトポロジカル相の理論的探究, 東京大学大学院数理科学研究科(オンライン), February 15-17, 2021.
  • 物質のトポロジカル相の理論的探究, 東京大学大学院数理科学研究科(オンライン), February 22-25, 2022.
  • 物質のトポロジカル相の理論的探究, 東京大学大学院数理科学研究科(オンライン), March 27-29, 2023.
• その他の委員
  • A member of the scientific committee, Workshop "Modular Invariants, Operator Algebras and Quotient Singularities", Warwick, England, September 1999.
  • A member of the scientific committee, 12th Workshop: Non-commutative Harmonic Analysis with Applications to Probability, Będlewo, Poland, August 2009.
  • A member of the scientific committee, 13th Workshop: Non-commutative Harmonic Analysis with Applications to Probability, Będlewo, Poland, July 2010.
  • A member of the the programme organising committee, A satellite conference on Operator Algebras to ICM-2010, Chennai, India, August 2010.
  • A member of the scientific committee, 14th Workshop: Non-commutative Harmonic Analysis with Applications to Probability, Będlewo, Poland, September 2011.
  • A member of the scientific committee, 3rd Conference of Settat on Operator Algebras and Applications, Settat, Morocco, November 2011.
  • A member of the scientific committee, ICM Satellite Conference on Operator Algebras and Applications, Cheongpung, Korea, August 2014.
  • A member of the scientific committee, 17th Workshop: Non-commutative Harmonic Analysis with Applications to Probability, Będlewo, Poland, July 2016.
  • A member of the scientific advisory committee, Operator Algebras: Subfactors and their Applications, Isaac Newton Institute for Mathematical Sciences, England, January-June 2017.
  • A member of the advisory committee, XXXVIII Workshop on Geometric Methods in Physics, Białowieża, Poland, July 2019.

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