Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

I am a Senior Lecturer at the University of Hamburg. Most of my work is in Set Theory
of the reals and Boolean algebras. I am also interested in Discrete Math.

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.