List questions from differential-topology

Published on 25 Mar 2026 - 1:22

238

Views

Is it always possible that to perturb the metric to a metric of positive Ricci curvature at some points?

Published on 27 Mar 2026 - 19:54

482

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Does the fundamental group detect the unlink?

Published on 26 Mar 2026 - 19:15

598

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Why is the tangent bundle defined using a disjoint union?

Published on 25 Mar 2026 - 10:52

159

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Clarification on metric preserving embedding of unit sphere $S^2$

Published on 26 Mar 2026 - 3:11

90

Views

Proving $\gamma_2(t)=(t(t^2-4),t^2-4)$ is an embedding

Published on 21 Mar 2020 - 16:11

173

Views

Geometric interpretation of Stokes' Theorem

Published on 26 Mar 2026 - 14:29

510

Views

How to understand oriented intersection number in the non-transversal case? (including in the definition of Euler characteristic)

Published on 21 Mar 2020 - 23:49

38

Views

Why isn't the following example a differentiable structure?

Published on 22 Mar 2020 - 0:33

269

Views

Are all smooth embeddings proper?

Published on 23 Mar 2020 - 20:36

137

Views

Differential Topology - Passing Smoothly to the Quotient

Published on 23 Mar 2020 - 22:34

329

Views

Integral of differential forms in Lee's Smooth Manifolds

Published on 31 Mar 2026 - 20:06

90

Views

How to prove the Abel's Theorem for linear ODE equations system? (see the picture)

Published on 26 Mar 2020 - 9:47

146

Views

Space form structure for non orientable surfaces

Published on 23 Feb 2026 - 15:03

247

Views

Show $S^2$ cannot have a smooth vector field with two zeros that are either both sources or both sinks

Published on 27 Mar 2020 - 20:10

List Question

Does Ricci flow preserve symmetries?

Is it always possible that to perturb the metric to a metric of positive Ricci curvature at some points?

Does the fundamental group detect the unlink?

Why is the tangent bundle defined using a disjoint union?

Clarification on metric preserving embedding of unit sphere $S^2$

Proving $\gamma_2(t)=(t(t^2-4),t^2-4)$ is an embedding

Geometric interpretation of Stokes' Theorem

How to understand oriented intersection number in the non-transversal case? (including in the definition of Euler characteristic)

Why isn't the following example a differentiable structure?

Are all smooth embeddings proper?

Differential Topology - Passing Smoothly to the Quotient

Integral of differential forms in Lee's Smooth Manifolds

How to prove the Abel's Theorem for linear ODE equations system? (see the picture)

Space form structure for non orientable surfaces

Show $S^2$ cannot have a smooth vector field with two zeros that are either both sources or both sinks

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