List questions from differential-geometry

Published on 31 Mar 2026 - 23:38

82

Views

Confusion about quotient of the Lie group $\mathbb{S}^1$

Published on 13 Apr 2026 - 10:02

46

Views

Local Automorphisms of Cartan Geometries are determined by values at a point

Published on 22 Apr 2026 - 16:44

444

Views

Is it trivial that the Levi-Civita connection can be pulled back to a isometric manifold?

Published on 14 Apr 2026 - 3:55

483

Views

How does a differential form looks on a matrix manifold?

Published on 14 Apr 2026 - 7:04

88

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How does this example from Spivak that $H_c^n(\mathbb R^n) \ne 0$?

Published on 26 Mar 2026 - 2:54

1.6k

Views

Determinant of the second fundamental form in Gauss's curvature

Published on 16 Apr 2026 - 4:00

762

Views

What is the difference between a chart and a tangent space?

Published on 11 Apr 2026 - 12:30

195

Views

Why are map projections of the Earth not charts?

Published on 15 Apr 2026 - 10:51

107

Views

Almost volume preserving charts for a riemannian manifold

Published on 14 Apr 2026 - 1:15

75

Views

The sphere with three ends?

Published on 10 Apr 2026 - 0:29

1.3k

Views

Proving that the image of an injective, proper immersion is a manifold

Published on 17 Apr 2026 - 12:21

186

Views

Smooth bijection and tangent spaces

Published on 12 Apr 2026 - 11:01

561

Views

Differential of Hopf's map

Published on 23 Apr 2026 - 12:10

1.7k

Views

Tangent space of preimage is the preimage of the tangent space

Published on 25 Mar 2026 - 7:44

List Question

Definition of Differential operator

Confusion about quotient of the Lie group $\mathbb{S}^1$

Local Automorphisms of Cartan Geometries are determined by values at a point

Is it trivial that the Levi-Civita connection can be pulled back to a isometric manifold?

How does a differential form looks on a matrix manifold?

How does this example from Spivak that $H_c^n(\mathbb R^n) \ne 0$?

Determinant of the second fundamental form in Gauss's curvature

What is the difference between a chart and a tangent space?

Why are map projections of the Earth not charts?

Almost volume preserving charts for a riemannian manifold

The sphere with three ends?

Proving that the image of an injective, proper immersion is a manifold

Smooth bijection and tangent spaces

Differential of Hopf's map

Tangent space of preimage is the preimage of the tangent space

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