• Peter Krautzberger
• Jürg Kramer (representing the BMS Executive Board)
• Barbara Jung
• Mimi Tsuruga (via videoconference)
• Frederik von Heymann
• Anna von Pippich

• What is this? Quiz. A quiz game for teams formed by the audience about the history of the $``\vec{w}h\alpha\mathfrak{t}\;\; i\mathbb{S}\ldots\text{?''}$ Seminar and other math-related topics. The quiz can be found in Kahoot!.
• $\vec{w}h\alpha\mathfrak{t}\;\; i\mathbb{S}$ an ultrafilter? by Peter Krautzberger. Repetition of the very first talk of the “What is...?” Seminar.
• Coffee, tea and cookies.
• Plenary discussion about the history of the $``\vec{w}h\alpha\mathfrak{t}\;\; i\mathbb{S}\ldots\text{?''}$ Seminar with invited organizers.
• Free discussion and pizza.

What is this? Quiz

Recreation of the first “What is...?” Seminar by Peter Krautzberger

Few words by Prof. Jürg Kramer

Plenary discussion with the invited former organizers

Free discussion