List questions from differential-topology

Published on 04 Jun 2018 - 23:00

268

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A closed decomposable non-zero differential form is locally the wedge of coordinate differentials

Published on 05 Jun 2018 - 12:21

161

Views

Degrees of freedom of a metric up to coordinate changes (precise formulation)

Published on 22 Mar 2026 - 9:38

284

Views

Pontryagin-Thom construction references for homotopy groups of spheres

Published on 22 Mar 2026 - 15:28

633

Views

Local isometry between complete manifolds

Published on 25 Mar 2026 - 23:17

94

Views

If $M$ is a manifold, such that $\dim(M)>1$, then we can find 2 disjointed paths.

Published on 07 Jun 2018 - 1:58

608

Views

Simple closed curves in torus.

Published on 08 Jun 2018 - 8:38

130

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Which specific smooth structure are we using in general relativity?

Published on 25 Mar 2026 - 1:32

45

Views

Is an immersion defined on a simply connected region injective?

Published on 08 Jun 2018 - 15:25

378

Views

Proving the existence of a diffeomorphism with no fixed points

Published on 08 Jun 2018 - 21:40

180

Views

Discrete first and second fundamental forms

Published on 22 Mar 2026 - 18:27

156

Views

Can we always span a decomposable form via constant coefficients?

Published on 22 Mar 2026 - 21:40

68

Views

Special chart of a compact connected manifold.

Published on 09 Jun 2018 - 16:42

66

Views

Interior discontinuities of extensions of nonzero degree maps on the sphere

Published on 10 Jun 2018 - 16:11

224

Views

Homology class of an inclusion

Published on 10 Jun 2018 - 16:32

List Question

Hyperbolic equilibrium point on the sphere

A closed decomposable non-zero differential form is locally the wedge of coordinate differentials

Degrees of freedom of a metric up to coordinate changes (precise formulation)

Pontryagin-Thom construction references for homotopy groups of spheres

Local isometry between complete manifolds

If $M$ is a manifold, such that $\dim(M)>1$, then we can find 2 disjointed paths.

Simple closed curves in torus.

Which specific smooth structure are we using in general relativity?

Is an immersion defined on a simply connected region injective?

Proving the existence of a diffeomorphism with no fixed points

Discrete first and second fundamental forms

Can we always span a decomposable form via constant coefficients?

Special chart of a compact connected manifold.

Interior discontinuities of extensions of nonzero degree maps on the sphere

Homology class of an inclusion

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