On connectedness of graphs on direct product of Weyl groups
Samy A. Youssef, S. G. Hulsurkar (1995)
Archivum Mathematicum
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In this paper, we have studied the connectedness of the graphs on the direct product of the Weyl groups. We have shown that the number of the connected components of the graph on the direct product of the Weyl groups is equal to the product of the numbers of the connected components of the graphs on the factors of the direct product. In particular, we show that the graph on the direct product of the Weyl groups is connected iff the graph on each factor of the direct product is...