Geodesic
More on the girth of graphs on Weyl groups
Archivum mathematicum, Tome 29 (1993) no. 1-2, pp. 19-23.

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The girth of graphs on Weyl groups, with no restriction on the associated root system, is determined. It is shown that the girth, when it is defined, is 3 except for at most four graphs for which it does not exceed 4.
Classification : 05C25, 05C38, 20F55
Mots-clés : Weyl groups; root systems; girth of a graph 
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     author = {Youssef, Samy A. and Hulsurkar, S. G.},
     title = {More on the girth of graphs on {Weyl} groups},
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     pages = {19--23},
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     zbl = {0798.05029},
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Youssef, Samy A.; Hulsurkar, S. G. More on the girth of graphs on Weyl groups. Archivum mathematicum, Tome 29 (1993) no. 1-2, pp. 19-23. https://geodesic-test.mathdoc.fr/item/ARM_1993__29_1-2_a3/