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math.AG2013
Minimal fields of definition for Galois action
Hilaf Hasson
Let be a field, let be a finite group, and let be a -Galois branched cover of varieties over . Given a mere cover model $X\rightarrow…
math.AG2013★ 1 cited
The fields of definition of branched Galois covers of the projective line
Hilaf Hasson
In this paper I explore the structure of the fields of definition of Galois branched covers of the projective line over \bar Q. The first main result states that every mere cover m…