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On June 8 as part of the online seminar "Geometry, topology and their applications" Wu Jie will present a talk

Mathematical center in Akademgorodok together with the Chair of Geometry and Topology invites you to take part in the seminar on June 8 at 2 pm Novosibirsk time (UTC+7). 
The Head of the seminar – I. A. Taimanov.

During the seminar an invited guest Wu Jie (Hebei Normal University, Shijiazhuang, China) will present a talk "Braided Descriptions of Homotopy Groups of the 2-Sphere".

In this talk, we will discuss combinatorial and braided descriptions of homotopy groups of the 2-sphere. We will also discuss the connections between relative Lie algebras of Brunnian braid groups over the 2-sphere and the unstable Adams spectral sequence.

To take part, please, on June 8 after 1:45 pm Novosibirsk time (UTC+7) connect to the Zoom conference via this link: .

You can also connect manually in the Zoom app using the Conference ID: 957 5426 2671 (Password: 259196)

Please pay attention to the following rules of attending the online seminar:
  • As a security measure, it is highly advisable to connect using your real name.
  • You are free to join the discussion after the end of the report. However, during the report please keep you microphone turned off.
  • For the convenience of the speaker, we recommend writing your questions in the chat in advance.