April 12 - 17, Groups and Dynamics: Topology, Measure, and Borel Structure, Oberwolfach, Germany, https://www.mfo.de/occasion/2616/www_view
May 26 - 30, GPOTS 2026, University of Iowa, Iowa City, Iowa, https://sites.google.com/view/gpots-2026
June 1 - 5, Canadian Operator Symposium 2026, Carleton University, Ottawa, https://aptikuis.github.io/Website/cosy26/
June 21 - 26, UK operator algebras conference 2026, Sabhal Mor Ostaig, (Gaelic College), Sleat, Isle of Skye, UK, https://icms.ac.uk/activities/workshop/operatoralgebras/apply/
June 22 - 25, International Conference for the 80th Anniversary of the Korean Mathematical Society, Seoul National University, https://www.kms.or.kr/conference/meeting/?period=91
June 29 - July 3, The CJK Conference on Functional Analysis 2026, The University of Tokyo, https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo2026.htm
July 23 - 30, ICM2026, Philadelphia, USA, https://www.mathunion.org/icm/icm-2026
July 26 - August 8, The 6th International Undergraduate Mathematics Summer School, Seoul National University
August 10 - 14, Special Week on Operator Algebras 2026, Shanghai, organized jointly by the Shanghai Institute for Mathematics and Interdisciplinary Sciences (SIMIS), the Research Center for Operator Algebras (RCOA) at East China Normal University, and the Shanghai Center for Mathematical Sciences (SCMS) at Fudan University
August 10 - 14, The 5th annual Noncommutative Geometry Along the North Sea workshop, Prague, https://ncgandtprague.wordpress.com/noseag/
August 17 - 21, YMC*A 2026, University of Oxford, https://sites.google.com/view/ymca-2026
9月1日~4日, 日本数学会秋季総合分科会, 神戸大学, https://www.mathsoc.jp/activity/meeting/kobe26sept/index.html
September 7 - 11, Pan Pacific International Conference in Topology and its Applications (PPICTA), 大阪公立大学杉本キャンパス, https://sites.google.com/view/ppicta2026
September 7 - 11, Interactions between operator algebras, K-theory and homotopy theory, University of Münster, Germany, https://www.uni-muenster.de/MathematicsMuenster/events/2026/interactions-between-operator-algebras-k-theory-homotopy-theory.shtml
9月7日~11日, エクスパンダーグラフにまつわる数理科学と応用2, 九州大学伊都キャンパス, https://joint.imi.kyushu-u.ac.jp/post-21453/
9月9日~11日, RIMS共同研究(公開型)作用素環論の最近の進展 (Recent Developments in Operator Algebras), 京都大学数理解析研究所
September 14 - December 4, Operator Algebras: Approximation, Rigidity and Dynamics (thematic trimester programme), the Institut Henri Poincaré, Paris, https://indico.math.cnrs.fr/category/784/
September 14 - 18, Introductory School: Operator Algebras: Approximation, Rigidity and Dynamics, IESC (Cargèse)
September 28 - October 2, Workshop: Operator Algebras: Groups and Dynamics (IHP, Paris)
October 26 - 30, Workshops: Operator Algebras: Matricial Approximations (IHP, Paris)
November 30 - December 4, Workshops: Operator Algebras: Rigidity and Classification (IHP, Paris)
9月16日~19日, 関数解析研究会(ジュニア)2026, 山口県健康づくりセンター(宿泊施設:湯田温泉ユウベルホテル松政), https://sites.google.com/view/fajunior2026/
9月19日~21日, 実函数論・函数解析学合同シンポジウム, 九州工業大学
October 5 - 9, Autumn School "C*-Algebras: Structure, Dynamics, and Applications", Mathematical Institute of Göttingen, https://events.gwdg.de/event/1392/
10月7日~9日, Non-Commutative Probability and Related Topics 2026(非可換確率論とその関連領域2026), 九州大学西新プラザ大会議室
November 1 - 6, Higher Rank Graphs in Algebra, Geometry and C*-Algebras, Banff International Research Station, Canada, http://webfiles.birs.ca/events/2026/5-day-workshops/26w5562
January 18 - 22, Algebra Down Under 2027, Western Sydney University, Australia, https://sites.google.com/view/adu2027
1月25日~27日, RIMS共同研究(グループ型A)作用素環とその周辺分野への応用, 京都大学数理解析研究所
May 26-29, Noncommutative Geometry along the North Sea 2025, the International Centre for Mathematical Sciences in Edinburgh
May 26-30 (and Ken’s celebration will be held on May 31), 2025 Canadian Operator Algebras Symposium (COSY), the University of Waterloo
the week of June 9-13, Classifying amenable operator algebras, Texas Christian University (TCU), https://faculty.tcu.edu/jcarrion/CBMS-2025.html
June 16-20, Structure of Dynamical C*-algebras, Palacio de Congresos de Jaca, Jaca, Spain, https://eventos.unizar.es/120015/detail/structure-of-dynamical-c-algebras.html
June 23-27, C*-Algebras, Coarse Geometry and Physics, the University of Greifswald
June 30 – July 11, Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras, to be held simultaneously at CMSA (Harvard) and MPIM (Bonn)
June 30 – July 25, Topological Groupoids and their C*-Algebras, Queen's University Belfast, https://www.newton.ac.uk/event/tga/
June 30 – July 4, Crossed products and groupoid C*-algebras, https://www.newton.ac.uk/event/tgaw01/
July 15-18, C*-algebras: classification and dynamical constructions, https://www.newton.ac.uk/event/tgaw02/
July 6 - July 12, the 2nd China-Japan-Korea (CJK) Conference on Functional Analysis, Seoul National University, Korea, https://conference.math.snu.ac.kr/CJK_Conference_2025/Home.html
July 21-25, Structure and Approximation of C*-algebras, Palacio de la Magdalena, Santander, Spain, https://sites.google.com/view/escuelasantalo2025
August 3-8, C*-Algebras, Oberwolfach, https://www.mfo.de/occasion/2532/www_view
August 25-29, Orbit Equivalence and Topological and Measurable Dynamics, CIRM, Luminy, France, https://conferences.cirm-math.fr/3316.html
9月2日~5日, 関数解析研究会(ジュニア), 愛媛大学城北キャンパス(宿泊:にぎたつ会館), https://sites.google.com/view/fajunior2025/
9月8日~12日, 確率論サマースクール2025 "Random Matrix Theory Summer School in Japan 2025", 京都大学, https://benoitcollins.github.io/rmt2025/
9月24日~26日, RIMS共同研究(公開型)作用素環論の最近の進展 (Recent Developments in Operator Algebras), 京都大学数理解析研究所, https://www.kurims.kyoto-u.ac.jp/~narutaka/2025sep.html
10月8日~10日, Non-Commutative Probability and Related Topics 2025 (非可換確率論とその関連領域2025), 九州大学伊都キャンパス, https://sites.google.com/view/ncprt-2025
11月1日~3日, 作用素論・作用素環論研究集会, 名古屋大学東山キャンパス, https://www.math.nagoya-u.ac.jp/~ueda/opoa2025.html
12月4日・5日, 第9回幾何学的群論ワークショップ, 鹿児島大学郡元キャンパス, https://tomohirofukaya.fpark.tmu.ac.jp/ggtm/kagoshima2025/index.shtml
1月26日~28日, RIMS共同研究(グループ型A)作用素環とその間の写像, 京都大学数理解析研究所
March 2-13, Combinatorial *-Algebras, MATRIX, Melbourne, Australia, https://www.matrix-inst.org.au/events/combinatorial-algebras/
March 16-18, Non-commutative Probability, Random Matrices and Lévy Processes 2026 (NPRML2026), 大阪大学, https://sites.google.com/view/nprml2026/