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Andrew Staal

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ag.algebraic-geometry

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60

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5

answers

6k

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Is there an intuitive reason for Zariski's main theorem?

ag.algebraic-geometry intuition geometric-intuition

Nov 30 '13 at 19:18 Community♦ 1

57

votes

3

answers

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Derived algebraic geometry: how to reach research level math?

ag.algebraic-geometry soft-question derived-algebraic-geometry

Jun 1 '19 at 16:21 John Rached 233

36

votes

0

answers

979

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Computer calculations in A_infinity categories?

ct.category-theory ag.algebraic-geometry computer-science mathematical-software

Jan 22 '13 at 19:29 Community♦ 1

35

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7

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Geometric meaning of the Euler sequence on $\mathbb{P}^n$ (Example 8.20.1 in Ch II of Hartshorne)

ag.algebraic-geometry

Apr 15 at 20:42 Y_q 21

27

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3

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Relationship between Tangent bundle and Tangent sheaf

ag.algebraic-geometry

Aug 18 '11 at 8:37 Neil Strickland 43.4k

18

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2

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If $X$ is a simplicial complex, is there a characterization of the links of its vertices that is equivalent to the statement “$|X|$ is a manifold”?

gt.geometric-topology manifolds simplicial-stuff

Aug 20 '19 at 13:21 Andrew Staal 105

11

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3

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656

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“Database” of simplicial polytopes/spheres

co.combinatorics at.algebraic-topology convex-polytopes online-resources

Dec 5 '18 at 17:41 Russ Woodroofe 3,147

6

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2

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Equivalent definitions of arithmetically Cohen-Macaulay varieties

ag.algebraic-geometry ac.commutative-algebra

Nov 20 at 9:43 Community♦ 1

6

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2

answers

2k

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Origin of the sign convention in the Tensor product of graded vector spaces

linear-algebra differential-graded-algebras ct.category-theory

Sep 18 '15 at 3:37 Community♦ 1

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