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Graphs on surfaces and curves over number fields
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Belyi theorem in positive characteristic and its applications Zapponi Leonardo Paris Sorbonne University |
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Abstract: The first part of the talk is a review of the different aspects of Belyi theorem, from the original characteristic 0 case, through its odd characteristic version, concluding with its recent proof in characteristic 2. The second part is an illustration of these results and their applications for elliptic curves, involving cellular decomposition of moduli spaces and realizations of modular curves as Hurwitz spaces. Language: English |
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