List questions from differential-topology

Published on 14 Apr 2026 - 5:35

53

Views

Expression of the Dirac delta on the surface of a domain

Published on 15 Apr 2026 - 0:26

96

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Is there any splitting theorem for compact manifolds?

Published on 10 Apr 2026 - 21:47

34

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Why is the regularity hypothesis essential in this lemma?

Published on 14 Apr 2026 - 17:00

365

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Smallest $\mathbb R^n$ into which $SO(3)$ can be topologically embedded?

Published on 16 Apr 2026 - 14:12

146

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are there independence results in differential geometry/differential topology?

Published on 14 Apr 2026 - 20:58

125

Views

Prove that there exists a open neighborhood $V$ of $L$ such that $f|_V$ is injective.

Published on 14 Apr 2026 - 16:28

108

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Inner-most disk arguments

Published on 14 Apr 2026 - 23:18

92

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Question on when a section of a zero set of a polynomial becomes a submanifold?

Published on 12 Apr 2026 - 13:24

25

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Give a example to show that $F$ is not necessarily a sub-bundle of $E$.

Published on 13 Apr 2026 - 23:33

138

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question about generic sections

Published on 14 Apr 2026 - 6:47

26

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Smooth function in a subset

Published on 11 Apr 2026 - 18:04

357

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Diffeomorphisms of sphere and homotopies and Smale's conjecture in $n\geq 4$ dimensions

Published on 15 Apr 2026 - 2:53

51

Views

Extension of a smooth function in a set to an open set

Published on 12 Apr 2026 - 5:28

24

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Intuition behind proof that open subsets of $\mathbb{R}^n$ are spectra of their real algebras

Published on 11 Apr 2026 - 8:32

List Question

Question on Morse-Sard Theorem and the boundary of level sets

Expression of the Dirac delta on the surface of a domain

Is there any splitting theorem for compact manifolds?

Why is the regularity hypothesis essential in this lemma?

Smallest $\mathbb R^n$ into which $SO(3)$ can be topologically embedded?

are there independence results in differential geometry/differential topology?

Prove that there exists a open neighborhood $V$ of $L$ such that $f|_V$ is injective.

Inner-most disk arguments

Question on when a section of a zero set of a polynomial becomes a submanifold?

Give a example to show that $F$ is not necessarily a sub-bundle of $E$.

question about generic sections

Smooth function in a subset

Diffeomorphisms of sphere and homotopies and Smale's conjecture in $n\geq 4$ dimensions

Extension of a smooth function in a set to an open set

Intuition behind proof that open subsets of $\mathbb{R}^n$ are spectra of their real algebras

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