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Why is Riemann-Roch an Index Problem?
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Statements in group theory which imply deep results in number theory
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Why does the group law commute with morphisms of elliptic curves?
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Equivalent Statements of Riemann Hypothesis in the Weil Conjectures
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Irreducible polynomial over number field with roots in every completion?
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How to topologize X(R) when R is a topological ring?
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intuition about the “section after base-change” for flat descent and exactness of the Amitsur complex
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Some help in digesting a paragraph in the introduction of Deligne/Rapoport’s “Les Schemas de Modules de Courbes Elliptique”
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Homeomorphism onto a closed subset of a scheme that isn’t a closed immersion
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the dual abelian scheme