List questions from differential-topology

Published on 25 Mar 2026 - 19:01

315

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Applications of Sard's theorem in full generality

Published on 02 Feb 2020 - 21:19

258

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Can a curve fill a disk?

Published on 04 Feb 2020 - 12:25

107

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Why are Manifolds Embedded Subsets of $\mathbb{R}^n$ in Classic Texts (as Opposed to Recent Ones)?

Published on 01 Apr 2026 - 18:30

462

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Differences between the geometry and topology books of A. T. Fomenko

Published on 31 Mar 2026 - 1:04

105

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Is a smooth surjective map between disks which is injective a.e. everywhere injective?

Published on 26 Mar 2026 - 9:49

802

Views

Homotopic diffeomorphisms are both orientation-preserving or both orientation-reversing

Published on 25 Mar 2026 - 19:03

96

Views

A curious "cancellation" of orientations on the intersection of two hypersurfaces

Published on 25 Mar 2026 - 19:05

125

Views

Is every piecewise smooth manifold with orientable pieces orientable?

Published on 25 Mar 2026 - 20:35

465

Views

Riemann Geometry & Triangle Inequality

Published on 26 Mar 2026 - 4:50

256

Views

Smooth map on a closed subset which does not have an extension

Published on 09 Feb 2020 - 16:51

116

Views

Prove that a Curve has no interior points

Published on 10 Feb 2020 - 0:16

207

Views

winding function and trigonometric functions.

Published on 10 Feb 2020 - 1:59

50

Views

Elements of $H_1(SO(3), \mathbb{Z}_2)$

Published on 10 Feb 2020 - 2:48

100

Views

Perturbation of Vector Fields

Published on 30 Mar 2026 - 0:03

List Question

Thom's transversality theorem on non-compact manifolds

Applications of Sard's theorem in full generality

Can a curve fill a disk?

Why are Manifolds Embedded Subsets of $\mathbb{R}^n$ in Classic Texts (as Opposed to Recent Ones)?

Differences between the geometry and topology books of A. T. Fomenko

Is a smooth surjective map between disks which is injective a.e. everywhere injective?

Homotopic diffeomorphisms are both orientation-preserving or both orientation-reversing

A curious "cancellation" of orientations on the intersection of two hypersurfaces

Is every piecewise smooth manifold with orientable pieces orientable?

Riemann Geometry & Triangle Inequality

Smooth map on a closed subset which does not have an extension

Prove that a Curve has no interior points

winding function and trigonometric functions.

Elements of $H_1(SO(3), \mathbb{Z}_2)$

Perturbation of Vector Fields

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