Education
- 2011 Professor
 - 1996 Associate Professor
 - 1992 Ph.D.
 - 1984 RNDr.
 - 1981 M.Sc.
 
Safarik University in Košice
Field of specialization: Mathematics
Inauguration Thesis: Connection between sum and difference labelings
Safarik University in Košice
Field of specialization: Discrete Mathematics
Habilitation Thesis title: Labelings of Graphs
Comenius University in Bratislava
Field of specialization: Algebra and Number Theory
Ph.D. Thesis title: Certain Properties of Graph Labelings
Safarik University in Košice
Safarik University in Košice
Field of specialization: Informatics and System Theory
Diploma Thesis title: Products of Ideals in Boolean Algebras

