Séminaire Lotharingien de Combinatoire, B35d (1995), 4 pp.

G. Jones

Dessins d'enfants: Bipartite Maps and Galois Groups

Belyi's Theorem implies that the Riemann surfaces defined over the field of algebraic numbers are precisely those which support bipartite maps; this provides a faithful representation of the Galois group of this field on these combinatorial objects.

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