#### Contact:

Institute of Discrete Mathematics

Graz University of Technology

Steyrergasse 30 / III

A - 8010 Graz

Telephone: +43 316 873 7131

Fax: +43 316 873 4507

## Research activities

- Random walks on infinite graphs and groups
- Discrete potential theory
- Boundary theory and harmonic functions
- Random processes on non-smooth structures
- Structure of infinite graphs, groups and formal languages
- Automata groups
- Spectral theory of convolution and transition operators
- Non-commutative probability, free probability
- Non-commutative combinatorics