Invited lectures at universities

1. E. Aichinger.
   Polynomfunktionen auf Gruppen und universellen Algebren.
   Kolloquium ueber Reine Mathematik, Universität Hamburg, 11.05.2004.

2. T. Boykett.
   Difference families from fixed-point-free automorphism groups.
   Combinatorics Seminar, University of Western Australia, Perth, Australia, 15 October 2004.

3. T. Boykett.
   Central Groupoids and related algebras.
   South China Normal University, Guangzhou (China), 05.12.2003.

4. T. Boykett.
   Orderly algorithm for enumerating central digraphs.
   Queen Mary University of London, 10.10.2003.

5. T. Boykett.
   Conservation Laws in Automata.
   National Cheng-Kung University, Taina (Taiwan), 26.9.2003.

6. T. Boykett.
   Difference families and Ferrero pairs.
   Taiwan National University, Taipeh (Taiwan), 18.9.2003.

7. P. Mayr.
   Endomorphism near-rings on classical groups.
   National Cheng-Kung University, Tainan, 26.9.2003.

8. P. Mayr.
   Polynomial functions on groups.
   Taiwan National University, Taipeh (Taiwan), 18.9.2003.

9. C. Neumaier.
   Maximal subnear-rings of zero-preserving functions on a finite group.
   National Cheng-Kung University, Tainan (Taiwan), 22.04.2004.

10. C. Neumaier.
    Maximal subnear-rings of $M_0(G)$ and bijections generating $M_0(G)$.
    National Sun Yat-Sen University, Kaohsiung (Taiwan), 16.08.2005.

11. G. Pilz.
    The Design of Statistical Experiments.
    Shandong University of Technology, Zibo, Shandong, China, 08.04.2004.

12. G. Pilz.
    Polynomials and polynomial functions.
    Shandong University of Technology, Zibo, Shandong, China, 06.04.2004.

13. G. Pilz.
    Solving Equations.
    Ural State University, Ekaterinburg, Russische Föderation, 02.03.2004.

14. G. Pilz.
    Equations over algebraic structures.
    Ural State University, Ekaterinburg, Russische Föderation, 03.03.2004.

15. G. Pilz.
    Designs from Planar Near-rings.
    National Cheng Kung University, Tainan (Taiwan), 26.02.2003.

16. G. Pilz.
    Bystroe sloshenije uravnenii.
    Ural State University, Ekaterinburg, Russische Föderation, 02.09.2002.

17. G. Pilz.
    The beauty and usefulness of one-sided distributive systems.
    Seminar "Algebraitcheskije Sistemi", Vortrag Nr. 919, Ural State University, Ekaterinburg, Russische Föderation, 30.08.2002.

18. G. Wendt.
    Near-rings - Some recent developments.
    National Cheng-Kung University, Tainan (Taiwan), 22.04.2004.