September 2004 
State exam at Faculty of Electrical Engineering and Computer Science of V©B  TU of Ostrava. The topic was Magic labelings of graphs. 

Talk On VMT Labelings of graphs on the workshop Wofex 2004, 22.23. September, V©B  TU Ostrava. 

Award for results achieved in Ph.D. studies by the dean of Faculty of Electrical Engineering and Computer Science at V©B  TU Ostrava. 
October 2004 
Finished Ph.D. Thesis on Magic labelings of graphs at V©B  TU Ostrava. 
December 2004 
Defence of the Ph.D. Thesis on Magic labelings of graphs at V©B  TU Ostrava. 
since February 2005 
Member of the organizing committee of the DiMaS seminar. 
March 2005 
Report for Discussiones Mathematicae Graph Theory. 
April 2005 
Talk Magic Labelings of Regular Graphs on SEMINARIUM Matematyka Dyskretna, AGH Krakow (2005). 
May 2005 
Talk Introduction to Magic Labelings Graphs I on the DiMaS seminar, V©B  TU Ostrava (2005). 
May 2005 
Talk Introduction to Magic Labelings Graphs II on the DiMaS seminar, V©B  TU Ostrava (2005). 
June 2005 
Talk Magic Labelings of Regular Graphs on the confence GRAFY 2005, 40th Czech and Slovak Conference of graph Theory and Combinatorics, Budmerice, Slovakia (2005). 
July 2005 
Talk Magic Labelings of Odd Regular Graphs on the conference IWOGL 2005, Third International Workshop on Graph Labelings, Herµany, Slovakia (2005). 
May 2006 
Report for Discrete Applied Mathematics. 
Since June 2006 
Member of the editorial board of the series Advances in Computational and Systems Biology at Peter Lang Publishers. 
June 2006 
Report for Australasian Journal of Combinatorics. 
July 2006 
Talk Cycle decompositions of multipartite graphs on the conference Sixth CzechSlovak International Symposium on Combinatorics, Graph Theory, Algorithms and Applications at Charles University in Prague. 
September 2006 
Talk Spectra for VMT labelings of complete bipartite graphs on the Fifth Cracow Conference on Graph Theory "Ustron '06" at AGH University of Science and Technology. 
January 2007 
Talk Magic squares on the meeting of the Department of Applied Mathematics, V©B  TU Ostrava (2007). 
February 2007 
Talk Magic squares and magic graphs on the seminar ©KOMAM, V©B  TU Ostrava (2007). 

Report for Acta Universitatis Matthiae Belii. 
AprilJune 2007 
Member of the organizing committee of the conference Graphs 2007. 
May 2007 
Report for Discrete Mathematics. 

Editor of the conference proceedings Graphs 2007 Abstracts. 
June 2007 
Talk On factorizations of complete graphs into spanning trees with at most four nonleave vertices on the confence CSGT 2007, 42nd Czech and Slovak Conference of graph Theory and Combinatorics, Hradec nad Moravicí, Czech Republic (2007). 
June 2007 
Talk Picked Applications of Discrete Mathematics on the KAM seminar, V©B  TU Ostrava (2007). 
July 2007 
Talk On (K_{n},C_{m}[2K_{1}])designs on the conference Design Theory of Alex Rosa, Bratislava (2007). 

Three reports for Discrete Mathematics. 
September 2007 
Talk On supermagic labelings of regular graphs at the workshop IWONT, University of West Bohemia Pilsen (2007). 
October 2007 
Talk Modular arithmetics and inclusion/exclucion principle on the Mathematical Olympiad seminar, University of Ostrava Ostrava (2007). 

Contribution Fair incomplete tournaments to Annual proceedings of Science and Technology at V©B  TUO na Fakultě elektrotechinky a informatiky V©B  TU Ostrava. 
November 2007 
Report for Discrete Mathematics. 
March 2008 
Talk Walks in graphs on the seminar ©KOMAM, V©B  TU Ostrava (2008). 

Talk Detectives and division on the workshopu Matematika jinak, V©B  TU Ostrava (2007). 

Talk Mathematics and Simpsons on the workshopu Matematika jinak, V©B  TU Ostrava (2007). 

Report for Discrete Mathematics. 
April 2008 
Report on Ph.D. Thesis at Slovak Technical University in Bratislava. 
September 2008 
Report on the Approximate Cartesin Product of Graphs  Thesis obejctives at V©B  TUO. 
September 2008 
Review pro AMS. 
September 1315 2008 
Poster and short talk at IWOCA 2008, Nagoya, Japan. 
November 69 2008 
Talk On Super VertexMagic Total Labeling of kK_{n} at '3in1' Workshop, Krynica, Poland. 
January 2009 
Talk Graphs and puzzles on the seminar ©KOMAM, V©B  TU Ostrava (2009). 
February 2009 
Report for The Southeast Asian Bulletin of Mathematics. 
April 2009 
Report for SUT Journal. 
April 2009 
Review pro AMS. 