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15
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Is the pushforward of a flat modules flat

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#algebraic-geometry #commutative-algebra #coherent-sheaves #flatness
74
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Twisting coherent sheaves and projective morphisms

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#algebraic-geometry #commutative-algebra #coherent-sheaves
134
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Coherent Ring, whose nilradical is not finitely generated.

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#algebraic-geometry #commutative-algebra #coherent-sheaves #coherent-rings
288
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Why a sheaf is coherent

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#algebraic-geometry #sheaf-cohomology #coherent-sheaves
231
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Cohomology of rationally equivalent cycles

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#algebraic-geometry #intersection-theory #sheaf-cohomology #coherent-sheaves
652
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Confusion on Definition of Vector Bundles in Algebraic Geometry

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#algebraic-geometry #vector-bundles #coherent-sheaves
69
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Locally Free Replacement Sheaf on 3-Fold

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#algebraic-geometry #sheaf-theory #vector-bundles #coherent-sheaves
108
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Support of a section of an $\mathcal{O}_X$ module

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#algebraic-geometry #coherent-sheaves
132
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Support of the direct image sheaf equals the image?

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#algebraic-geometry #complex-geometry #sheaf-theory #coherent-sheaves
20
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Do analytic coherent sheaves remain coherent in the analytic Zariski topology?

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#analytic-geometry #coherent-sheaves
187
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Locally free resolution of coherent sheaves on nonsingular curves

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#algebraic-geometry #algebraic-curves #coherent-sheaves
241
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Hartshorne Exercise II 6.11 (c)

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#algebraic-geometry #algebraic-curves #coherent-sheaves
93
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Autoequivalences of $\operatorname{Coh}(X)$

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#algebraic-geometry #abelian-categories #coherent-sheaves
134
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Vanishing of $\text{Ext}^i_{X}(E, F)$ vs. $\text{Ext}^i_{\mathcal O_x}(E_x, F_x)$ for $E,F \in \mathcal D^b(\text{Coh } X)$

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#algebraic-geometry #schemes #derived-functors #coherent-sheaves #derived-categories
187
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Pushforward of the Segre embedding in K-theory

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#algebraic-geometry #projective-space #coherent-sheaves #projective-schemes #algebraic-k-theory

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