Research on mixed hypergraph coloring has been partially supported by:

1. Grants of CNR (GNSAGA) and University of Catania (Italy)

2. Volkswagen--Stiftung Project No.I/69041 (Duisburg University, Germany)

3. COBASE grant 942 (Georgia State University, USA)

4. DAAD (TU Dresden, Germany)

5. COBASE Long-Term Grant (University of Illinois at Urbana-Champaign, USA)

6. DFG (TU Dresden, Germany)

7. Cariplo Fellowship (Politecnico di Milano, Italy)

8. NSERC Canada OGP007621 (University of Toronto, Canada)

9. NSERC Canada OGP007268 (McMaster University, Canada)

10. Fields Institute (Toronto, Canada)

11. NSERC Canada 121885-99 (Wilfrid Laurier University, Canada)

12. CRDF BGP Award #MM2-3018 (USA)

13. Department of Mathematics, University of Illinois at Urbana-Champaign (USA)

14. Department of Mathematical Sciences, University of Delaware (USA)

15. Troy Sate University, Alabama

16. Charles University, Czech Republic