Top network posts

• 14 If the direct image of f preserves coherent sheaves on noetherian schemes, how to show f is proper?
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• 10 Does vanishing of cohomology of locally free sheaves imply affiness of scheme
• 7 rational effective implies effective?
• 5 Reconstruction of noncommutative scheme
• 5 How to characterize flasque sheaves in more functorial way?
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