Winter Operator Algebras Program 2026
2026冬季算子代数项目将于2026年11月9日至13日在上海举行。本次活动由华东师范大学数学科学学院算子代数研究中心主办，上海财经大学、上海数学与交叉学科研究院协办，安排系列课程及学术报告。
The Winter Operator Algebras Program 2026 will take place in Shanghai from November 9 to 13, 2026. Hosted by the Research Center for Operator Algebras, School of Mathematical Sciences, East China Normal University, and co-organized by Shanghai University of Finance and Economics and the Shanghai Institute for Mathematics and Interdisciplinary Sciences, the program features lecture series and research talks.
主要会场为华东师范大学普陀校区原第二附属中学实验楼：11月9日在401室，11月10日至12日及13日上午在406室。11月13日下午的报告在上海数学与交叉学科研究院（SIMIS）举行。
The main venue is Shiyanlou of (former) No. 2 High School of East China Normal University, Putuo Campus: Room 401 on November 9; Room 406 on November 10–12 and the morning of November 13. The afternoon talk on November 13 will take place at SIMIS.
热烈欢迎各位师生、研究人员前来聆听报告、参与交流！
We warmly welcome faculty members, researchers, and students to attend the lectures and participate in the discussions!
会议手册包含完整日程、报告摘要、校园及周边地图。
The handbook includes the full schedule, abstracts, campus map, and surrounding area map.
Organizers
Huaxin Lin（林华新）, Sayan Das, Hang Wang（王航）, Qin Wang（王勤）, Jintao Deng（邓金涛）
Schedule
All times are Shanghai time (UTC+8).
November 9: Room 401; November 10–12 and November 13 morning: Room 406; November 13 afternoon: SIMIS.
November 9, 2026 — Monday
Room 401
| Time | Speaker / Talk |
|---|---|
| 09:00–10:00 | Yongle Jiang（江永乐） Uniformly recurrent von Neumann subalgebras |
| 10:30–11:30 | Linzhe Huang（黄林哲） Quantum error correction with symmetries |
| 13:00–14:00 | Jianchao Wu（吴健超） The elementary linear groups of ample groupoids — Lecture 1 of 2 |
| 14:15–15:15 | Jianchao Wu（吴健超） The elementary linear groups of ample groupoids — Lecture 2 of 2 |
| 15:45–16:45 | Xuanlong Fu（符玄龙） Real rank zero and divisibility properties |
November 10, 2026 — Tuesday
Room 406
| Time | Speaker / Talk |
|---|---|
| 09:00–10:00 | Huaxin Lin（林华新） TBA |
| 10:30–11:30 | Xin Ma（马昕） A finitely generated ICC non property (T) group that is neither inner amenable nor properly proximal |
| 13:00–14:00 | Rufus Willett Flat bundles, torsion in K-theory, and approximate representations — Lecture 1 of 5 |
| 14:15–15:15 | Rufus Willett Flat bundles, torsion in K-theory, and approximate representations — Lecture 2 of 5 |
| 15:45–16:45 | Therese Basa Landry Compact quantum metric spaces from free probability |
November 11, 2026 — Wednesday
Room 406
| Time | Speaker / Talk |
|---|---|
| Morning | No schedule |
| 13:00–14:00 | Rufus Willett Flat bundles, torsion in K-theory, and approximate representations — Lecture 3 of 5 |
| 14:15–15:15 | Feng Xu（徐峰） Introduction on subfactors and CFT — Lecture 1 of 2 |
| 15:45–16:45 | Zhen Wang（汪镇） Takesaki duality for weak*-closed Lp-operator crossed products |
November 12, 2026 — Thursday
Room 406
| Time | Speaker / Talk |
|---|---|
| 09:00–10:00 | Bingbing Liang（梁兵兵） Mean dimension for finite-dimensional factor maps |
| 10:30–11:30 | Rufus Willett Flat bundles, torsion in K-theory, and approximate representations — Lecture 4 of 5 |
| 13:00–14:00 | Feng Xu（徐峰） Introduction on subfactors and CFT — Lecture 2 of 2 |
| 14:15–15:15 | Rufus Willett Flat bundles, torsion in K-theory, and approximate representations — Lecture 5 of 5 |
| 15:45–16:15 | Yuetong Luo（罗月桐） Codimension 2 transfer of signatures in L-theory |
| 16:30–17:00 | Binbing Lyu（吕镔冰） Ball Fourier multipliers on free groups via Poisson boundaries |
| 17:30 | Banquet Hexi Canteen（河西餐厅）, third floor |
November 13, 2026 — Friday
Morning: Room 406; afternoon: SIMIS
| Time | Speaker / Talk |
|---|---|
| 09:00–10:00 | Bin Gui（归斌） Unitary non-rational conformal field theory |
| 10:15–11:15 | Simeng Wang（王斯萌） On Fourier–Schur multipliers on groups and noncommutative Lp spaces — Lecture 1 of 2 |
| 11:30–12:30 | Simeng Wang（王斯萌） On Fourier–Schur multipliers on groups and noncommutative Lp spaces — Lecture 2 of 2 |
| 14:30–15:30 | Feng Xu（徐峰） TBA — Venue: SIMIS |
For tea breaks, meals, the group photo, and all talk abstracts, please refer to the full handbook.
Accommodations and local guide
- Vienna International Hotel（维也纳国际酒店，上海金沙江路长风公园店）: No. 257 Nujiang Road, Putuo District（普陀区怒江路257号）.
- Yifulou（逸夫楼）: East China Normal University, No. 3663 Zhongshan North Road, Putuo District（普陀区中山北路3663号华东师范大学校内）.
- Campus and surrounding area maps: see the full handbook.
Contact
Hang Wang（王航）: wanghang@math.ecnu.edu.cn