Analysis of the functioning of the Eastern European state socialist systems;

Research on the historiographic representation of Eastern European state socialist systems, by defining the main paradigms;

Microcommunities and oral history (Transcarpathian Hungarian veterans of the Soviet Union's war in Afghanistan)

Inter-party relations between the HSWP and the state parties of the Soviet bloc;

Inter-party relations between the HSWP and the Western European Communist Parties; 

The reception of Eurocommunism in Hungary during the Kádár era.