List questions from manifolds

Published on 10 Apr 2026 - 19:08

310

Views

Properties of the ring of smooth function germs, question on proof.

Published on 10 Apr 2026 - 8:45

1.7k

Views

Retraction to the Boundary on Compact Manifold

Published on 11 Apr 2026 - 19:27

183

Views

Is $S^1 \times S^1$ really a torus?

Published on 23 Apr 2026 - 16:58

3.9k

Views

How could a group be a manifold?

Published on 24 Apr 2026 - 11:20

1k

Views

Properties of the category of smooth vector bundles over a smooth manifold

Published on 16 Apr 2026 - 1:11

134

Views

Prove that $\mathbb{R}^2 \times S^1 $ and $M=\left\lbrace (x,y,z,w) \in \mathbb{R}^4 \mid x^2+y^2- z^2-w^2 = 1 \right\rbrace$ are diffeomorphic

Published on 15 Apr 2026 - 18:06

739

Views

What is a real structure on a manifold?

Published on 11 Apr 2026 - 7:01

125

Views

Quotiented manifold homeomorphic to a complex projective space?

Published on 14 Apr 2026 - 0:43

173

Views

Integration with 2-forms

Published on 12 Apr 2026 - 16:03

60

Views

Prove that $X=\{(x,y,z,t) | x^2+6y^2+4z^2+t^2=1 \}$ is compact and connected

Published on 16 Apr 2026 - 16:17

155

Views

What can I say of an $m$-dimensional submanifold $S$ of an $m$-dimensional manifold $M$?

Published on 19 Apr 2026 - 22:29

671

Views

Let $M\subseteq \mathbb{R}^k$: Manifold topology vs. trace topology

Published on 16 Apr 2026 - 3:57

1k

Views

Boundary of a topological manifold invariant?

Published on 27 Mar 2026 - 4:38

661

Views

Reference request: infinite-dimensional manifolds

Published on 14 Apr 2026 - 5:39

List Question

An example of 4D Hypersurface in 3D

Properties of the ring of smooth function germs, question on proof.

Retraction to the Boundary on Compact Manifold

Is $S^1 \times S^1$ really a torus?

How could a group be a manifold?

Properties of the category of smooth vector bundles over a smooth manifold

Prove that $\mathbb{R}^2 \times S^1 $ and $M=\left\lbrace (x,y,z,w) \in \mathbb{R}^4 \mid x^2+y^2- z^2-w^2 = 1 \right\rbrace$ are diffeomorphic

What is a real structure on a manifold?

Quotiented manifold homeomorphic to a complex projective space?

Integration with 2-forms

Prove that $X=\{(x,y,z,t) | x^2+6y^2+4z^2+t^2=1 \}$ is compact and connected

What can I say of an $m$-dimensional submanifold $S$ of an $m$-dimensional manifold $M$?

Let $M\subseteq \mathbb{R}^k$: Manifold topology vs. trace topology

Boundary of a topological manifold invariant?

Reference request: infinite-dimensional manifolds

Trending Questions

Popular # Hahtags

Popular Questions