TU Berlin Fakultät II
Institut für Mathematik

Geometry I



Geometry Group



Vergangene Semester


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Virtual Math Labs




Geometry I (Winter 2019 / 2020)

Lectures Alexander Bobenko Mon 14-16 MA 141
Thu 12-14 MA 141
Tutorials Jan Techter Wed 12-14 MA 648
Wed 14-16 MA 042


Non-euclidean geometry: projective, hyperbolic, Möbius.

This is a course of the Berlin Mathematical School held in english or deutsch (depending on the audience).


[2021, January 13]
We will offer exam dates in the second week of March.
You can register with Kati Gabler (gabler@math.tu-berlin.de).
The exams are planned as oral exams at TU Berlin.
We also plan to offer further exam dates in April at the beginning of the summer semester.
[2020, August 17]
The next available date to take your exam will be September 01.
Further dates will be available in February 2021.
[2020, February 10]
The exams will take place on April 20. (canceled)
You can register at the office of Kati Gabler, MA873.
[2020, January 17]
There will be 12 exercise sheets with a total number of 96 points.
[2020, January 17]
No lecture on Monday, January 20.
No office hour on Tuesday, January 21.
You may hand in the 10th exercise sheet until Monday, January 27.
[2019, December 13]
Lecture notes for the part on projective geometry are now online. See below.
[2019, December 02]
There will be no tutorial (December 04) and no new exercise sheet this week.
Exercise sheet 07 will be online on December 09 and due December 19.
[2019, November 19]
No office hour of Jan Techter on November 19.
No tutorials on November 20.
If you have any questions about the exerices you can contact me by email.
[2019, October 15]
See below for the homework policy.
The first exercise sheet will be online on Monday, October 21, and due Thursday, October 31.
[2019, October 01]
First lecture on October 14.
First tutorials on October 23.

Exercise sheets

Homework policy

  • To get a certificate for the tutorial, you need to satisfactorily complete 50% of the homework assignments.
  • The exercises are to be solved in groups of two people.
  • Your hand-ins have to be stapled together and contain names and matriculation numbers of all members of the group.
    We strongly reccommend you to hand in the homework in readable writing, since unreadable writing will not be graded.
  • The homeworks are due weekly on Thursday before(!) the start of the lecture.


Office hours

Alexander Bobenko Thu 14-15 MA 881
Jan Techter Tue 12-13 MA 883

Jan Techter . 13.01.2021.