Because of the attack on the computer network of the University of Duisburg-Essen, some content (in particular some image files) cannot be accessed because it is stored on central servers of the university.

Espace de Calabi-Yau

Information on potential e-Learning arrangements for this course (lecture and exercise sessions) are now available in moodle.

Please sign up for the moodle course; e-Mail me for the password.