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15
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Rank of completion of a module

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#algebraic-geometry #commutative-algebra #local-rings
38
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Show that the set of points $\left\{x\in\mathbb{R}^2 \mid \frac{(x-p)\cdot(q-p)}{|q-p|}\ < \frac{1}{2}|q-p|\right\}$ is the half plane.

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#algebraic-geometry
138
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Can an ample line bundle be chosen to be a pushforward from a specified open?

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#algebraic-geometry
1.5k
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What is the difference between algebraic number theory, arithmetic geometry and diophantine geometry?

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#algebraic-geometry #soft-question #algebraic-number-theory #arithmetic-geometry
73
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Question on a Nullstellensatz proof

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#algebraic-geometry
142
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Free module after tensoring with a flat local ring

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#algebraic-geometry #commutative-algebra #vector-bundles #quasicoherent-sheaves
228
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Why does a mapping of curves have degree equal to size of kernel?

Published on
#algebraic-geometry #algebraic-curves
59
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A property similar to compactly packed

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#abstract-algebra #algebraic-geometry #commutative-algebra #ideals #maximal-and-prime-ideals
652
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Proving constant sheaf is truly a sheaf

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#proof-verification #algebraic-geometry #proof-writing #sheaf-theory
338
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Images of derived categories of $X, Z$ in derived category of blow up

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#algebraic-geometry #blowup #derived-categories
153
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Book of support for reading the Fulton book.

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#algebraic-geometry #reference-request #algebraic-curves #reference-works
53
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Locally constructible subsets of $\mathrm{Spec} \mathbb{Z}$

Published on
#algebraic-geometry #schemes
107
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Meaning of sentence in EGA I, Section 1.7.

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#algebraic-geometry #commutative-algebra #translation-request #mathematical-french
239
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Affine neighbourhood containing two given points

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#algebraic-geometry #zariski-topology #affine-varieties
38
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When can we extend abelian group functors from a subcategory of $\textbf{Ring}$ to the whole category?

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#algebraic-geometry

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