List questions from differential-topology

Published on 20 Jun 2014 - 18:36

91

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Stability of the nonempty intersection of an open set $A$ with a set $S$ under homotopy?

Published on 20 Jun 2014 - 22:33

139

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Avoiding vertical vectors in tangent spaces.

Published on 21 Jun 2014 - 19:10

632

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Interpretation of $p$-forms

Published on 29 Mar 2026 - 19:25

170

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$\mathbb{R}^2$ is a Retract of $\mathbb{R}^5$

Published on 23 Jun 2014 - 21:50

53

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What is $T^*(\mathbb{A}^1)$?

Published on 24 Jun 2014 - 7:53

297

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Help understanding a proof in differential geometry

Published on 24 Jun 2014 - 11:29

1.1k

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Is the $G$-action on a principal $G$-bundle proper?

Published on 25 Mar 2026 - 12:48

172

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Why is every derivation a vector?

Published on 26 Jun 2014 - 21:52

30

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a question related with morse theory

Published on 25 Mar 2026 - 17:36

111

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Show That $\dim H_m(\partial M;\mathbb{R})$ is Even

Published on 01 Jul 2014 - 18:47

393

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Why are open sets used in definitions in differential geometry?

Published on 03 Jul 2014 - 18:52

133

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Proving a Certain Smooth Map $S^n\rightarrow S^n$ is a Diffeommorphism

Published on 05 Jul 2014 - 16:26

1.4k

Views

Product neighborhood theorem with boundary

Published on 01 Apr 2026 - 8:50

1.6k

Views

Affine connection on a Lie group.

Published on 26 Mar 2026 - 4:16

List Question

Real analysis with a non-standard topology

Stability of the nonempty intersection of an open set $A$ with a set $S$ under homotopy?

Avoiding vertical vectors in tangent spaces.

Interpretation of $p$-forms

$\mathbb{R}^2$ is a Retract of $\mathbb{R}^5$

What is $T^*(\mathbb{A}^1)$?

Help understanding a proof in differential geometry

Is the $G$-action on a principal $G$-bundle proper?

Why is every derivation a vector?

a question related with morse theory

Show That $\dim H_m(\partial M;\mathbb{R})$ is Even

Why are open sets used in definitions in differential geometry?

Proving a Certain Smooth Map $S^n\rightarrow S^n$ is a Diffeommorphism

Product neighborhood theorem with boundary

Affine connection on a Lie group.

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