List questions from manifolds

Published on 12 Apr 2026 - 7:35

4.2k

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What exactly is a tangent vector?

Published on 12 Apr 2026 - 14:16

1.9k

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I am confused by the different definitions of manifolds.

Published on 12 Apr 2026 - 5:16

155

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Reference for theorems in Hirsch

Published on 27 Mar 2026 - 1:13

443

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Integration by parts on manifold with a boundary

Published on 27 Mar 2026 - 2:59

233

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Why can't that be an uncountable union?

Published on 15 Apr 2026 - 7:23

123

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Differential forms defined by integration

Published on 14 Apr 2026 - 17:38

1.9k

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Gluing diagrams: is it possible to glue a surface with itself in the same point? how is the diagram drawn?

Published on 13 Apr 2026 - 19:31

95

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Show that a subset is a submanifold of $ \mathbb{R}^4$

Published on 13 Apr 2026 - 23:44

72

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Looking for a reference that explains connections and curvature by double tangent space

Published on 14 Apr 2026 - 9:49

333

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Equivalence class of differential structures.

Published on 24 Apr 2026 - 11:31

627

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Is Fermat's theorem about local extrema true for smooth manifolds?

Published on 24 Apr 2026 - 11:35

1.7k

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Compute the tangent space at the unit matrix

Published on 24 Apr 2026 - 13:28

5.5k

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Intersection of topological manifolds.

Published on 09 Apr 2026 - 5:07

149

Views

Manifold, exist smooth nonnegative function with regular value at 0?

Published on 24 Apr 2026 - 13:25

List Question

Decomposition of tangent space of principal bundle

What exactly is a tangent vector?

I am confused by the different definitions of manifolds.

Reference for theorems in Hirsch

Integration by parts on manifold with a boundary

Why can't that be an uncountable union?

Differential forms defined by integration

Gluing diagrams: is it possible to glue a surface with itself in the same point? how is the diagram drawn?

Show that a subset is a submanifold of $ \mathbb{R}^4$

Looking for a reference that explains connections and curvature by double tangent space

Equivalence class of differential structures.

Is Fermat's theorem about local extrema true for smooth manifolds?

Compute the tangent space at the unit matrix

Intersection of topological manifolds.

Manifold, exist smooth nonnegative function with regular value at 0?

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