List questions from differential-topology

Published on 25 Mar 2026 - 17:40

187

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why does the tensor-product of vector-bundles exist?

Published on 28 Dec 2016 - 15:37

690

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Tensor product of two vector fields?

Published on 07 Apr 2026 - 10:34

2.9k

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Tangent space on the sphere

Published on 26 Mar 2026 - 8:14

484

Views

If the differential $p$-form $\omega$ integrates to zero over all $p$-cycles, must $\omega$ be closed?

Published on 02 Apr 2026 - 3:40

36

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Ideal inclusions for the algebra of germs $F_m^2\supset F_m^3$?

Published on 01 Jan 2017 - 2:52

215

Views

Coordinate charts on boundary

Published on 02 Jan 2017 - 21:55

74

Views

How to use a smooth function on manifold to get its decomposition?

Published on 25 Mar 2026 - 20:35

796

Views

Homotopy of a Continuous Proper Map to a Smooth Proper Map

Published on 03 Jan 2017 - 7:15

176

Views

Are all Heegaard splittings obtained from triangulations?

Published on 26 Mar 2026 - 1:35

282

Views

Do $S^n$ and $\mathbb{R}P^n$ admit the same number of linearly independent vector fields?

Published on 01 Apr 2026 - 16:44

55

Views

How to prove these functions are differentiable in these points?

Published on 05 Jan 2017 - 1:58

94

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On the definition of the differential of a function

Published on 02 Apr 2026 - 3:37

418

Views

Notation for vector fields on manifolds

Published on 05 Jan 2017 - 9:56

263

Views

show there is no C^1 homeomorphism from R^3 to R^2

Published on 29 Mar 2026 - 3:03

List Question

Existence of canonical retraction around a compact manifold

why does the tensor-product of vector-bundles exist?

Tensor product of two vector fields?

Tangent space on the sphere

If the differential $p$-form $\omega$ integrates to zero over all $p$-cycles, must $\omega$ be closed?

Ideal inclusions for the algebra of germs $F_m^2\supset F_m^3$?

Coordinate charts on boundary

How to use a smooth function on manifold to get its decomposition?

Homotopy of a Continuous Proper Map to a Smooth Proper Map

Are all Heegaard splittings obtained from triangulations?

Do $S^n$ and $\mathbb{R}P^n$ admit the same number of linearly independent vector fields?

How to prove these functions are differentiable in these points?

On the definition of the differential of a function

Notation for vector fields on manifolds

show there is no C^1 homeomorphism from R^3 to R^2

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