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WG
2004
Springer
13 years 10 months ago
Recognizing HHD-free and Welsh-Powell Opposition Graphs
In this paper, we consider the recognition problem on two classes of perfectly orderable graphs, namely, the HHD-free and the Welsh-Powell opposition graphs (or WPO-graphs). In par...
Stavros D. Nikolopoulos, Leonidas Palios
DMTCS
2006
75views Mathematics» more  DMTCS 2006»
13 years 5 months ago
Recognizing HH-free, HHD-free, and Welsh-Powell Opposition Graphs
Stavros D. Nikolopoulos, Leonidas Palios