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ERC Research Period on Diophantine Geometry

When is the field of moduli a field of definition for morphisms (30')

speaker: Ben Hutz (CUNY, New York)

abstract: Consider the moduli space of morphisms of degree d on PN equivalent up to conjugation by an element of PGL(N+1). A field of definition is a field for which at least one element of conjugacy class is defined. The field of moduli is the fixed field of \(\{\sigma \in G_K | f^{\sigma} = f\}\). Every field of definition contains the field of moduli. This talk will address when the field of moduli is also a field of definition.

timetable:
Tue 9 Oct, 16:30 - 17:00, Sala Conferenze Centro De Giorgi
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