List questions from differential-topology

Published on 30 Mar 2026 - 16:20

71

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A Theorem on exterior deravitives

Published on 28 Mar 2026 - 16:14

329

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If $\omega$ is a volume form, then $X\mapsto i_X\omega$ generates all $(n-1)$-forms

Published on 26 Mar 2026 - 13:00

155

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Fundamental Theorem on Lie Algebra Actions

Published on 03 Apr 2026 - 10:04

771

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Proving that grassmannians are smooth manifolds

Published on 25 Mar 2026 - 12:15

103

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Special linear group as submanifold.

Published on 29 Mar 2026 - 13:49

38

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Existence of dense velocity curve on connected manifold

Published on 28 Mar 2026 - 12:19

34

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Can we restrict the dimension of the domain to make the image lower dimensional?

Published on 31 Oct 2019 - 9:25

65

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$C^r$-embedding of $[0,\infty)$ into $M$ (Hirsch's exercise)

Published on 31 Oct 2019 - 15:46

257

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Homeomorphism restricted to an open subset

Published on 01 Nov 2019 - 16:11

144

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An unpublished paper of Thurston about diffeomorphism groups

Published on 02 Nov 2019 - 8:48

660

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A dense curve on the Torus

Published on 03 Nov 2019 - 2:31

24

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is there such a thing as a 3-boundary or "hypersurface" in $\mathbb{R}^3$? RE:de Rham chain complexes.

Published on 30 Mar 2026 - 17:50

365

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Topological/Lie group structure on projective spaces

Published on 27 Mar 2026 - 16:20

120

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If $F_m$ is the set of germs which vanish at the mainfold poin $m$, what is meant by $F_{m}/F_{m}{}^2$?

Published on 04 Nov 2019 - 23:41

List Question

Constant Differential Form

A Theorem on exterior deravitives

If $\omega$ is a volume form, then $X\mapsto i_X\omega$ generates all $(n-1)$-forms

Fundamental Theorem on Lie Algebra Actions

Proving that grassmannians are smooth manifolds

Special linear group as submanifold.

Existence of dense velocity curve on connected manifold

Can we restrict the dimension of the domain to make the image lower dimensional?

$C^r$-embedding of $[0,\infty)$ into $M$ (Hirsch's exercise)

Homeomorphism restricted to an open subset

An unpublished paper of Thurston about diffeomorphism groups

A dense curve on the Torus

is there such a thing as a 3-boundary or "hypersurface" in $\mathbb{R}^3$? RE:de Rham chain complexes.

Topological/Lie group structure on projective spaces

If $F_m$ is the set of germs which vanish at the mainfold poin $m$, what is meant by $F_{m}/F_{m}{}^2$?

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