Most lunch meetings and seminars are open.
Lunches marked with 'PhD lunch' are dedicated to presentations by PhD student. One week in advance the PhD student will submit a document for discussion. All participants at lunch have to read the written material before the meeting. The lunches start with a five-minute presentation of the PhD student. Then a commentator chosen by the student starts the discussion.
The lunches marked as "extended" are lunches where written materials will be distributed in advance and will end at 14.00.