The links to the virtual lecture halls are available here:
Conference ID: 863 7049 6751
Conference ID: 869 0178 0706
Conference ID: 883 6976 1789
A single password is sent to registered participants by email
There is also an additional virtual lecture hall:
Conference ID: 821 8198 4225
All participants are welcome to use Room D as a chat room. We will also use this room as a lecture hall in case of emergency (e.g., sudden strong technical problems in any other room).