Anja Herwig
Mathematics
Phone: +49 30 2093-99707
anja.herwig@ub.hu-berlin.de
Erwin-Schrödinger-Zentrum
BL Natural Sciences
Rudower Chaussee 26
12489 Berlin-Adlershof
Phone: +49 30 2093-99725
Fax: +49 30 2093-99722
nawi@ub.hu-berlin.de
Illustration: Anja Herwig
Simplicial set-up of straights