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Nicolas Hemelsoet's user avatar
Nicolas Hemelsoet's user avatar
Nicolas Hemelsoet's user avatar
Nicolas Hemelsoet
  • Member for 7 years
  • Last seen more than a week ago
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I am interested by geometry and algebra.

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24
What is an intuitive Geometrical explanation of a "sheaf?"
Feb 8, 2018
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21
How is Category Theory used to study differential equations?
Feb 20, 2018
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14
How is Category Theory used to study differential equations?
Feb 20, 2018
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12
Why do $SU(2)$ and $SL(2,\mathbb{C})$ have the same Lie algebra?
May 22, 2018
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12
Are products of spheres $\prod_i\Bbb S^{n_i}$ different?
May 26, 2019
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10
Derived category of $k$-vector spaces
Jun 3, 2018
answer
9
Why is the quintic in $\mathbb{CP}^4$ simply connected?
Jan 19, 2018
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8
Degree of the Normal Bundle of a Line in a Projective Variety
Sep 30, 2017
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7
Picard group of an elliptic complex curve
Mar 4, 2018
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7
Motivation for local cohomology and local homotopy theories in Algebraic topology.
Aug 5, 2018
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11
What are the occurrences of stacks outside algebraic geometry, differential geometry, and general topology?
10
Quiver with two objects and two arrows composing to zero
7
Blow-up of projective variety $P^1 \times P^1..... \times P^1$ ($n$ times) and blow-up of $P^n$
7
Unicity of the BGG complex
7
Intersection numbers via residue formula