Editorial activities:
Editorial board member of
Combinatorica
1987-2020, Managing Editor before 1995
Editorial board member of
European Journal of Mathematics
since 2014
Editorial board member of
Central European Journal of Mathematics
2009-2014
Editorial board member of
International Journal of Combinatorics
2009-2017
Editorial board member of
Pure Mathematical Sciences
2012-2017
Editorial board member of
SIAM Journal on Discrete Mathematics
2003-2017
one of the guest editors of a special issue of
Annals of Combinatorics
for the memory of Andreas Dress
one of the guest editors of the
special issue
vol. 28, no 4, Dec 2002 of
Discrete and Computational Geometry
one of the editors of the volume Graph Theory and Combinatorial Biology, J. Bolyai Soc. Math. Studies 7, Budapest, 1999.
one of the guest editors of the special issue 35A of
Ars Combinatoria,
1993
