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most citedChevalley's ambiguous class number formula for an arbitrary torus

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math.AG2001

Brauer groups and Tate-Shafarevich groups

Cristian D. Gonzalez-Aviles

Let X_K be a proper, smooth and geometrically connected curve over a global field K. In this paper we generalize a formula of Milne relating the order of the Tate-Shafarevich group…