List questions from differential-topology

Published on 13 Apr 2026 - 8:34

419

Views

If $\operatorname{dim} M > \operatorname{dim} N$, is there an injective smooth map $M\to N$?

Published on 15 Apr 2026 - 20:12

226

Views

Is this map the Gauss map?

Published on 15 Apr 2026 - 13:50

1k

Views

Connection between Euler characteristic and degree of the Gauss map

Published on 16 Apr 2026 - 23:14

704

Views

Example of a pair of non-cobordant manifolds

Published on 28 Apr 2026 - 20:13

404

Views

"killing homotopy groups" passage

Published on 10 Apr 2026 - 6:48

139

Views

a theorem in topology

Published on 11 May 2026 - 8:59

671

Views

Tangent cone to a subset of $\mathbb{R}^3$

Published on 05 May 2026 - 13:47

4.5k

Views

Closed not exact form on $\mathbb{R}^n\setminus\{0\}$

Published on 15 Apr 2026 - 5:18

926

Views

control of the $C^{1}$ norm of a diffeomorphism

Published on 14 Apr 2026 - 1:47

987

Views

Embedded surface in $\mathbb{R}^3$

Published on 11 Apr 2026 - 5:13

283

Views

Integration on manifold, pullback

Published on 11 Apr 2026 - 7:19

139

Views

Pairwise Disjoint Balls on a Manifold

Published on 13 Apr 2026 - 21:14

328

Views

Diffeomorphic riemannian manifolds and volume forms

Published on 16 Apr 2026 - 10:15

1k

Views

Surfaces are homeomorphic iff are diffeomorphic.

Published on 12 Apr 2026 - 16:38

List Question

How calculate the De Rham cohomology group of $3$-torus: $T^3$?

If $\operatorname{dim} M > \operatorname{dim} N$, is there an injective smooth map $M\to N$?

Is this map the Gauss map?

Connection between Euler characteristic and degree of the Gauss map

Example of a pair of non-cobordant manifolds

"killing homotopy groups" passage

a theorem in topology

Tangent cone to a subset of $\mathbb{R}^3$

Closed not exact form on $\mathbb{R}^n\setminus\{0\}$

control of the $C^{1}$ norm of a diffeomorphism

Embedded surface in $\mathbb{R}^3$

Integration on manifold, pullback

Pairwise Disjoint Balls on a Manifold

Diffeomorphic riemannian manifolds and volume forms

Surfaces are homeomorphic iff are diffeomorphic.

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