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Institute of Stochastics

Kollegiengebäude Mathematik (20.30)
Room 2.056 und 2.002

Karlsruher Institut für Technologie
Institut für Stochastik

Englerstr. 2
D-76131 Karlsruhe

D-76128 Karlsruhe

Office hours:
Mo-Fr 10:00 - 12:00

Tel.: +49 721 608 43270/43265

Fax.: +49 721 608 46066

Convex Geometry (Summer Semester 2013)

Lecturer: Prof. Dr. Daniel Hug
Classes: Lecture (0152800), Problem class (0152810)
Weekly hours: 4+2

Lecture: Tuesday 14:00-15:30 1C-04
Wednesday 11:30-13:00 1C-04
Problem class: Monday 15:45-17:15 1C-04
Lecturer Prof. Dr. Daniel Hug
Office hours: Nach Vereinbarung.
Room 2.051 Kollegiengebäude Mathematik (20.30)
Email: daniel.hug@kit.edu
Problem classes Dr. Ines Ziebarth
Office hours: nach Vereinbarung
Room Allianz-Gebäude (05.20)
Email: ines.ziebarth@kit.edu

Course description

Convexity is a fundamental notion in mathematics which has a combinatorial, an analytic, a geometric and a probabilistic flavour. Basically, a given set A in a real vector space is called convex if with any two points of A the segment joining the two points is also contained in A. This course provides an introduction to the geometry of convex sets in a finite-dimensional real vector space and to basic properties convex functions. Results and methods of convex geometry are particularly relevant, for instance, in optimization theory and in stochastic geometry.

The following topics will be covered:

  1. Geometric foundations: combinatorial properties, support and separation theorems, extremal representations
  2. Convex functions
  3. The Brunn-Minkowski Theory: basic functionals of convex bodies, mixed volumes, geometric (isoperimetric) inequalities
  4. Surface area measures and projection functions
  5. Integral geometric formulas

If time permits, we also consider additional topics such as symmetrization of convex sets or sets of constant width.


This course is suited for everybody with a firm background in analysis and linear algebra.

Lecture Notes and Exercises

Lecture notes in English (by D. Hug and W. Weil) and exercises are to be found here.


  • Gruber, Peter. Convex and Discrete Geometry, Grundlehren der mathematischen Wissenschaften, vol. 336, Springer, Berlin, 2007.
  • Schneider, Rolf. Convex Bodies: the Brunn-Minkowski theory, Cambridge University Press, Cambridge, 1993.