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On mono-nodal trees and genus one dessins of Pakovich-Zapponi type. (English) Zbl 1427.11060

Summary: In this paper, we classify Grothendieck dessins of X-shaped plane trees defined over the rationals.

MSC:

11G32 Arithmetic aspects of dessins d’enfants, Belyĭ theory
14H57 Dessins d’enfants theory
14H30 Coverings of curves, fundamental group
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