Question

Given a smooth map, find another similar map with a differential that is never zero (Guillemin and Pollack 2.3.8).

score 308 · Answer 1 · 2026-04-16 21:19:53

308

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Given a smooth map, find another similar map with a differential that is never zero (Guillemin and Pollack 2.3.8).

Published on 16 Apr 2026 - 21:19

score 214 · Answer 2 · 2026-04-16 00:42:55

214

Views

Clarifying a point in Guillemin and Pollack on a certain submersion

Published on 16 Apr 2026 - 0:42

score 1.9k · Answer 3 · 2026-04-13 19:01:26

1.9k

Views

A product of smooth manifolds together with one smooth manifold with boundary is a smooth manifold with boundary

Published on 13 Apr 2026 - 19:01

score 62 · Answer 4 · 2026-03-29 12:41:15

62

Views

How large is the subgroup of diffeomorphisms which preserves a vector field?

Published on 29 Mar 2026 - 12:41

score 352 · Answer 5 · 2026-04-03 02:01:30

352

Views

Non-diffeomorphic structures on the sphere

Published on 03 Apr 2026 - 2:01

score 2.3k · Answer 6 · 2026-04-14 03:11:47

2.3k

Views

What's the cohomology of disjoint union of two circles

Published on 14 Apr 2026 - 3:11

score 87 · Answer 7 · 2026-04-09 10:36:40

87

Views

Clarification about differentiable manifolds

Published on 09 Apr 2026 - 10:36

score 93 · Answer 8 · 2026-04-15 12:01:28

93

Views

What is the difference between n-dim ($n<\infty$) Banach space and $R^n$?

Published on 15 Apr 2026 - 12:01

score 314 · Answer 9 · 2026-04-16 06:06:03

314

Views

Tangent manifold $D(M_1 \times M_2)$ is canonically diffeomorphic to the product $DM_1 \times DM_2$.

Published on 16 Apr 2026 - 6:06

score 1.4k · Answer 10 · 2026-04-15 18:03:49

1.4k

Views

Find grid points interior to a closed curve

Published on 15 Apr 2026 - 18:03

score 31 · Answer 11 · 2026-04-17 04:11:34

31

Views

Is infinity always a regular value of rational function from $S^1\to S^1$

Published on 17 Apr 2026 - 4:11

score 111 · Answer 12 · 2026-04-13 14:55:57

111

Views

Question about the normal bundle of a totally geodesic submanifold of a Cartan-Hadamard manifold

Published on 13 Apr 2026 - 14:55

score 246 · Answer 13 · 2015-12-08 16:13:18

246

Views

Direct Limit of Grassmannians

Published on 08 Dec 2015 - 16:13

score 77 · Answer 14 · 2026-04-03 01:54:38

77

Views

Construction of an immersion of $T^3$ − point in $\mathbb{R}^3$?

Published on 03 Apr 2026 - 1:54

score 310 · Answer 15 · 2026-04-15 17:10:10

310

Views

Boy's surface, visualization of the preimage of self-intersection locus as graph on projective plane

Published on 15 Apr 2026 - 17:10

List Question

Given a smooth map, find another similar map with a differential that is never zero (Guillemin and Pollack 2.3.8).

Clarifying a point in Guillemin and Pollack on a certain submersion

A product of smooth manifolds together with one smooth manifold with boundary is a smooth manifold with boundary

How large is the subgroup of diffeomorphisms which preserves a vector field?

Non-diffeomorphic structures on the sphere

What's the cohomology of disjoint union of two circles

Clarification about differentiable manifolds

What is the difference between n-dim ($n<\infty$) Banach space and $R^n$?

Tangent manifold $D(M_1 \times M_2)$ is canonically diffeomorphic to the product $DM_1 \times DM_2$.

Find grid points interior to a closed curve

Is infinity always a regular value of rational function from $S^1\to S^1$

Question about the normal bundle of a totally geodesic submanifold of a Cartan-Hadamard manifold

Direct Limit of Grassmannians

Construction of an immersion of $T^3$ − point in $\mathbb{R}^3$?

Boy's surface, visualization of the preimage of self-intersection locus as graph on projective plane

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