List questions from manifolds

Published on 12 Apr 2026 - 16:04

36

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Connection on $T\mathbb{R}^n$

Published on 28 Mar 2026 - 8:47

255

Views

Are $\mathbb{C}^2$ and $\mathbb{C}^2/(x,y)\sim(y,x)$ homeomorphic?

Published on 27 Mar 2026 - 5:05

206

Views

Brouwer degree extension Lemma

Published on 25 Apr 2026 - 21:15

240

Views

Compact 1-manifolds

Published on 26 Apr 2026 - 0:08

390

Views

Is $M=\{(x,y,z)\in \mathbb{R}^3: x^3+y^3+z^3=1, z=xy\}$ a manifold of class $C^{\infty}$?

Published on 15 Apr 2026 - 16:36

236

Views

Is It Always Possible to Cross a Surface Exactly Once?

Published on 28 Jan 2016 - 3:44

328

Views

Wedge product of $k$-forms

Published on 13 Apr 2026 - 23:27

54

Views

$C^k$-maps between manifolds is a sheaf?

Published on 15 Apr 2026 - 23:31

362

Views

Manifolds or Complex Analysis for Algebraic Geometry?

Published on 14 Apr 2026 - 12:34

246

Views

Codimension $1$ Embedding into $\mathbb{R}^{n+1}$

Published on 27 Mar 2026 - 4:56

1.6k

Views

Rank of Jacobian Matrix for the Stereographic Projection

Published on 21 Apr 2026 - 10:35

670

Views

Calculating Volume of surface of unit sphere

Published on 13 Apr 2026 - 16:01

237

Views

Does the forgetful functor from smooth manifolds to sets preserve colimits?

Published on 27 Mar 2026 - 18:15

581

Views

Expression of a given vector field for the stereographic projection of the sphere

Published on 04 Apr 2026 - 8:44

List Question

Proving smooth map between smooth manifolds is constant based on push forward being zero

Connection on $T\mathbb{R}^n$

Are $\mathbb{C}^2$ and $\mathbb{C}^2/(x,y)\sim(y,x)$ homeomorphic?

Brouwer degree extension Lemma

Compact 1-manifolds

Is $M=\{(x,y,z)\in \mathbb{R}^3: x^3+y^3+z^3=1, z=xy\}$ a manifold of class $C^{\infty}$?

Is It Always Possible to Cross a Surface Exactly Once?

Wedge product of $k$-forms

$C^k$-maps between manifolds is a sheaf?

Manifolds or Complex Analysis for Algebraic Geometry?

Codimension $1$ Embedding into $\mathbb{R}^{n+1}$

Rank of Jacobian Matrix for the Stereographic Projection

Calculating Volume of surface of unit sphere

Does the forgetful functor from smooth manifolds to sets preserve colimits?

Expression of a given vector field for the stereographic projection of the sphere

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