2024 Flat sheaves

Flat sheaves

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August undefined, 2024

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Appendix: Introduction to Derived Categories of Coherent Sheaves …

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Flat Belt Idlers Applied

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Sheaves Heavy Lift Products The Crosby Group

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"WebNov 16, 2024 · 1. Let L be a sheaf over X that is flat over a map f: X → Y, that is separable and of finite type between Noetherian schemes X, Y. Under what conditions is the pushforward f ∗ L locally free over Y? I believe that this is the case when Y is regular and dim Y = 1, because local regular rings of d i m = 1 are PIDs. " - Flat sheaves

Flat sheaves

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WebDefinition. The category of sheaves of abelian groups on a topological space X is an abelian category, and so it makes sense to ask when a morphism f: B → C of sheaves is injective (a monomorphism) or surjective (an epimorphism).One answer is that f is injective (respectively surjective) if and only if the associated homomorphism on stalks B x → C x is injective …

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