List questions from differential-topology

Published on 15 Apr 2026 - 6:19

625

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Prime 3-Manifolds

Published on 11 Apr 2026 - 22:13

97

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Is there an easy way to picture a Whitney embedding?

Published on 15 Apr 2026 - 13:49

270

Views

Relation between diffeomorphism and immersion

Published on 10 Apr 2026 - 6:23

80

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Embedding into $\mathbb{R}^6$

Published on 11 Apr 2026 - 6:19

72

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Diffeomorphism from parametrized torus to set of zeros

Published on 12 Apr 2026 - 15:45

743

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Does every topological $n$-manifold ($n>0$) admit an embedding into $\Bbb R^{2n}$? If not, what $n$-manifold does not embed into $\Bbb R^{2n}$?

Published on 12 Apr 2026 - 11:36

104

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Show that this spiral is a submanifold

Published on 16 Apr 2026 - 16:26

162

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Euler characteristic of the zero set of $z_1^d+z_2^d+z_3^d=0$ in $CP^2$

Published on 12 Apr 2026 - 7:54

141

Views

A good book for fiber bundle, induced bundle, whitney sums

Published on 14 Apr 2026 - 14:19

51

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Proving compact $m$-manifolds can be embedded in $\mathbb{R}^{nm}$ for some cover $\{(B_i,\varphi_i)\}_{i=1}^n$.

Published on 17 Apr 2026 - 5:28

38

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Are two embeddings of the 2-sphere connected by a flow?

Published on 10 Apr 2026 - 5:00

367

Views

Regular value theorem and sard's theorem for banach manifolds

Published on 13 Apr 2026 - 8:28

165

Views

Necessary and sufficient condition for the differentiability of a multivariate characteristic function

Published on 16 Apr 2026 - 1:53

94

Views

Regular Submanifold and diffeomorphism

Published on 13 Apr 2026 - 21:49

List Question

smooth vector fields over the 2-sphere is not a free module

Prime 3-Manifolds

Is there an easy way to picture a Whitney embedding?

Relation between diffeomorphism and immersion

Embedding into $\mathbb{R}^6$

Diffeomorphism from parametrized torus to set of zeros

Does every topological $n$-manifold ($n>0$) admit an embedding into $\Bbb R^{2n}$? If not, what $n$-manifold does not embed into $\Bbb R^{2n}$?

Show that this spiral is a submanifold

Euler characteristic of the zero set of $z_1^d+z_2^d+z_3^d=0$ in $CP^2$

A good book for fiber bundle, induced bundle, whitney sums

Proving compact $m$-manifolds can be embedded in $\mathbb{R}^{nm}$ for some cover $\{(B_i,\varphi_i)\}_{i=1}^n$.

Are two embeddings of the 2-sphere connected by a flow?

Regular value theorem and sard's theorem for banach manifolds

Necessary and sufficient condition for the differentiability of a multivariate characteristic function

Regular Submanifold and diffeomorphism

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