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math.CO2010
Classification of nonorientable regular embeddings of complete bipartite graphs
Jin Ho Kwak, Young Soo Kwon
A 2-cell embedding of a graph into a closed (orientable or nonorientable) surface is called regular if its automorphism group acts regularly on the flags - mutually incident ve…
math.CO2010
On the existence problem of the total domination vertex critical graphs
Moo Young Sohn, Dongseok Kim, Young Soo Kwon +1
The existence problem of the total domination vertex critical graphs has been studied in a series of articles. The aim of the present article is twofold. First, we settle the exist…