On the graph on a Weyl group being an interval graph

Autores: Hemendra K. Patel, Suresh G. Hulsurkar
Localización: Revista Colombiana de Matemáticas, ISSN-e 0034-7426, Vol. 32, Nº. 1, 1998, págs. 1-12
Idioma: inglés
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Resumen
- We consider the graph on a Weyl group whose associated root system is arbitrary. It is shown that such a graph is an interval graph only when the associated root systems are of some particular types.