List questions from affine-geometry

Published on 25 Aug 2022 - 2:07

435

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How to Prove that hyperplane is facet defining?

Published on 09 Sep 2022 - 19:27

138

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Geometric intuition behind affine hull

Published on 28 Mar 2026 - 2:49

63

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How to interpret symmetrical $2\times2$ matrix geometrically as a composition of simple transformation?

Published on 12 Oct 2022 - 2:12

384

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Intuition: Affine map vs Linear map

Published on 13 Oct 2022 - 18:37

55

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Image of an extreme point by an affine map

Published on 17 Oct 2022 - 20:03

41

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Question about affine connections on a manifold

Published on 23 Feb 2026 - 13:26

94

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Affine map of single qubit quantum operations

Published on 27 Mar 2026 - 10:09

109

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Intersection of parallel affine subspaces

Published on 30 Oct 2022 - 17:21

221

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Is this a correct definition of the affine dual space?

Published on 30 Oct 2022 - 23:37

93

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Why is for an algebraically closed field $k$, $\mathbb{A}^1_k \setminus \{0\} \simeq \operatorname{Spec} k[x, x^{-1}]$

Published on 01 Nov 2022 - 21:14

94

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Necessary condition for union of two flats (affine subspaces) to be a flat.

Published on 12 Nov 2022 - 15:23

258

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The only point of $\operatorname{Spec} (k[x,y] /(y^2,xy))$ with nonreduced stalk is the origin

Published on 28 Mar 2026 - 9:28

261

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Does the accessibility lemma from convex analysis also hold in infinite dimensions?

Published on 19 Nov 2022 - 15:18

251

Views

How to calculate the projective transformation matrix given two planes?

Published on 27 Mar 2026 - 10:45

List Question

Quadrilaterals in Affine Spaces

How to Prove that hyperplane is facet defining?

Geometric intuition behind affine hull

How to interpret symmetrical $2\times2$ matrix geometrically as a composition of simple transformation?

Intuition: Affine map vs Linear map

Image of an extreme point by an affine map

Question about affine connections on a manifold

Affine map of single qubit quantum operations

Intersection of parallel affine subspaces

Is this a correct definition of the affine dual space?

Why is for an algebraically closed field $k$, $\mathbb{A}^1_k \setminus \{0\} \simeq \operatorname{Spec} k[x, x^{-1}]$

Necessary condition for union of two flats (affine subspaces) to be a flat.

The only point of $\operatorname{Spec} (k[x,y] /(y^2,xy))$ with nonreduced stalk is the origin

Does the accessibility lemma from convex analysis also hold in infinite dimensions?

How to calculate the projective transformation matrix given two planes?

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