A remark on the (2, 2)-domination number. - Torsten Korneffel; Dirk Meierling; Lutz Volkmann (Discuss. Math. Graph Theory, 2008)

Complementary cycles in regular multipartite tournaments, where one cycle has length five. - Zhihong He; Torsten Korneffel; Dirk Meierling; Lutz Volkmann; Stefan Winzen (Discret. Math., 2009)

An asymptotic bound for the complexity of monotone graph properties. - Torsten Korneffel; Eberhard Triesch (Comb., 2010)