A survey of investigations of the Brno research group in thehyperstructure theory since the last AHA Congress
Jan Chvalina, Šárka Hošková-Mayerová · 2009
In the contribution there are presented results obtained in the Brno AHA -working group since the last International Congres on Algebraic Hyperstructures and Applications, which was held in 2005, up to these days.