List questions from smooth-manifolds

Published on 29 Mar 2026 - 4:34

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Constant Rank Theorem for Manifolds with Boundary

Published on 25 Mar 2026 - 11:01

163

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Cohomology of n-sphere minus k discs

Published on 27 Mar 2026 - 15:19

63

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Exercise on uniqueness of smooth substructures from Warner 1.33(a)

Published on 29 Mar 2026 - 9:10

76

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What's the meaning of being expressible as a convergent power series in a neighborhood of each point?

Published on 25 Mar 2026 - 11:04

366

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Manifolds with Boundary and Maximal Atlas

Published on 25 Mar 2026 - 11:05

110

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Endofunctors of $\textsf{FinVec}$ which are not $C^n$

Published on 28 Nov 2018 - 3:37

145

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Definition of the ring of differentiable maps $C^\infty(M)$, where $M$ is a differentiable manifold

Published on 28 Nov 2018 - 12:48

113

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Tangent space $T_q(df(M))$ as a subspace of $T_q(T^*M)$

Published on 26 Mar 2026 - 8:32

259

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Are these definitions of a differential form equivalent?

Published on 25 Mar 2026 - 1:26

373

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existence of a non-negative smooth function on a neighborhood of point on a boundary of a smooth manifold.

Published on 29 Mar 2026 - 5:58

514

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Proving Hopf's Fibration $\pi: \mathbb{S}^{2n+1}\to\mathbb{CP}^n$ is a submersion

Published on 26 Mar 2026 - 8:03

209

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Proof that in a smooth manifold every open set has same cardinality?

Published on 01 Dec 2018 - 18:39

337

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Non singular matrices are a differentiable submanifold

Published on 02 Dec 2018 - 13:47

406

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Can the surface of a 3-dimension cube be diffeomorphic to a 3-dimension sphere?

Published on 02 Dec 2018 - 14:35

List Question

Non-vanishing section on compact manifolds

Constant Rank Theorem for Manifolds with Boundary

Cohomology of n-sphere minus k discs

Exercise on uniqueness of smooth substructures from Warner 1.33(a)

What's the meaning of being expressible as a convergent power series in a neighborhood of each point?

Manifolds with Boundary and Maximal Atlas

Endofunctors of $\textsf{FinVec}$ which are not $C^n$

Definition of the ring of differentiable maps $C^\infty(M)$, where $M$ is a differentiable manifold

Tangent space $T_q(df(M))$ as a subspace of $T_q(T^*M)$

Are these definitions of a differential form equivalent?

existence of a non-negative smooth function on a neighborhood of point on a boundary of a smooth manifold.

Proving Hopf's Fibration $\pi: \mathbb{S}^{2n+1}\to\mathbb{CP}^n$ is a submersion

Proof that in a smooth manifold every open set has same cardinality?

Non singular matrices are a differentiable submanifold

Can the surface of a 3-dimension cube be diffeomorphic to a 3-dimension sphere?

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