Monographs


Triangulating Clustered Graphs
M. Jünger, S. Leipert, M. Percan,
Technical Report No. 2002.435 (2002).


Level Planarity Testing in Linear Time (Full Version)
M. Jünger, S. Leipert, P. Mutzel
Technical Report No. 99.369, Universität zu Köln, Germany (1999)


PQ-Trees, An Implementation as Template Class in C++
S. Leipert
Technical Report No. 97.259, Universität zu Köln, Germany. (1997)


The Tree Interface - Version 1.0 User Manual
S. Leipert
Technical Report No. 96.242, Universität zu Köln, Germany. (1996)


On Computing a Maximal Planar Subgraph using PQ-Trees
M. Jünger, S. Leipert, P. Mutzel
Technical Report No. 96.227, Universität zu Köln, Germany. (1996)