List questions from orientation

Published on 19 Jul 2016 - 5:21

652

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Orientation under local diffeomorphism

Published on 22 Jul 2016 - 14:44

60

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If $M^n$ is a submanifold of $\mathbb{R}^{n+k}$ such there are L.I. vector fields $v_1,\ldots,v_k$ such that $v_i \perp T_pM$ then $M$ is orientable

Published on 25 Jul 2016 - 21:25

3.4k

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How to calculate relative pitch, roll and yaw given absolutes

Published on 06 Aug 2016 - 12:22

799

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A topological group which is also a (not necessarily smooth) manifold is orientable

Published on 19 Aug 2016 - 19:09

173

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$\Phi:M\to M$ be a smooth map whose restriction to $\partial M$ is the identity

Published on 22 Aug 2016 - 0:43

796

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When is the orientation presheaf a sheaf?

Published on 24 Aug 2016 - 11:55

563

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Showing that the orientable double covering of a manifold is an orientable manifold (do Carmo Differential Forms ex. 3.16)

Published on 01 Sep 2016 - 22:05

161

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Why all the alternating signs?

Published on 05 Sep 2016 - 3:32

294

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Are tubular neighborhoods orientable?

Published on 05 Sep 2016 - 14:22

261

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Non-orientable surface

Published on 06 Sep 2016 - 10:54

85

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$T_P(M)$ vs. $T_P(\partial M)$

Published on 25 Mar 2026 - 7:01

315

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Exercise about a 1-form on a manifold

Published on 19 Sep 2016 - 21:41

727

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Orientation twisted on the $2$-sphere

Published on 21 Sep 2016 - 18:17

1.3k

Views

How does a Möbius strip not have an area?

Published on 25 Mar 2026 - 9:35

List Question

Homology and cohomology of 7-manifold

Orientation under local diffeomorphism

If $M^n$ is a submanifold of $\mathbb{R}^{n+k}$ such there are L.I. vector fields $v_1,\ldots,v_k$ such that $v_i \perp T_pM$ then $M$ is orientable

How to calculate relative pitch, roll and yaw given absolutes

A topological group which is also a (not necessarily smooth) manifold is orientable

$\Phi:M\to M$ be a smooth map whose restriction to $\partial M$ is the identity

When is the orientation presheaf a sheaf?

Showing that the orientable double covering of a manifold is an orientable manifold (do Carmo Differential Forms ex. 3.16)

Why all the alternating signs?

Are tubular neighborhoods orientable?

Non-orientable surface

$T_P(M)$ vs. $T_P(\partial M)$

Exercise about a 1-form on a manifold

Orientation twisted on the $2$-sphere

How does a Möbius strip not have an area?

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