Main talks on the conference Progress on Difference Equations (Poland, May 25-29, 2009) will be given by:
- Saber Elaydi, USA
- Istvan Gyori, Hungary
- Gerry Ladas, USA
- Michał Misiurewicz, USA
- Paweł Pilarczyk, Portugal
- Alberto Pinto, Portugal
- George Sell, USA
