List questions from smooth-manifolds

Published on 25 Mar 2026 - 3:18

88

Views

Definition of derivatives on vector fields on manifolds

Published on 19 Mar 2026 - 16:43

1k

Views

Existence of a smooth map from the Circle to the Square

Published on 25 Mar 2026 - 4:40

588

Views

Computing differentials on manifolds

Published on 28 Mar 2026 - 13:22

207

Views

An orientable manifold which does not admit a non degenerate $2$- form

Published on 13 Oct 2018 - 21:35

66

Views

Why is this definition of differential for manifolds correct?

Published on 28 Mar 2026 - 13:28

33

Views

$\gamma \in C^{\infty}(U, \mathbb{R}^n)$ is an Open Map

Published on 13 Oct 2018 - 22:24

40

Views

Showing that $T^n$ is diffeomorphic to the quotient of $T^{n+1}$ in $\mathbb CP^n$

Published on 28 Mar 2026 - 6:00

217

Views

Proof verification on the openness of the space of matrices of full rank

Published on 26 Mar 2026 - 12:08

795

Views

Smooth extension of a smooth map on an non-empty open subset of a manifold to the whole manifold.

Published on 15 Oct 2018 - 20:13

382

Views

Is a manifold $N$ smoothly embedded in a manifold $M$ of the same dimension open in $M$?

Published on 28 Mar 2026 - 15:20

651

Views

Is the group action of quotient group $G/H$ on quotient manifold $M/H$ proper?

Published on 25 Mar 2026 - 20:36

45

Views

Proving $\left(\mathbb{R}^2_+,\frac{1}{y}(dx^2+dy^2)\right)$ is not complete

Published on 27 Mar 2026 - 13:19

142

Views

Lie group embeddings $SO(10) \supset SU(3) \times SU(2) \times U(1)?$

Published on 27 Mar 2026 - 22:53

488

Views

Let $\mathbb H$ be algebra of quaternions and let $S$ be the group of unit quaternions. What does it mean for a point to be tangent to $\mathcal S$?

Published on 28 Mar 2026 - 7:41

List Question

Brieskorn 4-manifold

Definition of derivatives on vector fields on manifolds

Existence of a smooth map from the Circle to the Square

Computing differentials on manifolds

An orientable manifold which does not admit a non degenerate $2$- form

Why is this definition of differential for manifolds correct?

$\gamma \in C^{\infty}(U, \mathbb{R}^n)$ is an Open Map

Showing that $T^n$ is diffeomorphic to the quotient of $T^{n+1}$ in $\mathbb CP^n$

Proof verification on the openness of the space of matrices of full rank

Smooth extension of a smooth map on an non-empty open subset of a manifold to the whole manifold.

Is a manifold $N$ smoothly embedded in a manifold $M$ of the same dimension open in $M$?

Is the group action of quotient group $G/H$ on quotient manifold $M/H$ proper?

Proving $\left(\mathbb{R}^2_+,\frac{1}{y}(dx^2+dy^2)\right)$ is not complete

Lie group embeddings $SO(10) \supset SU(3) \times SU(2) \times U(1)?$

Let $\mathbb H$ be algebra of quaternions and let $S$ be the group of unit quaternions. What does it mean for a point to be tangent to $\mathcal S$?

Trending Questions

Popular # Hahtags

Popular Questions