List questions from fibration

Published on 12 Apr 2026 - 23:39

66

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Example of Symplectic fibration

Published on 14 Apr 2026 - 0:17

182

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Acyclic fibration admits a section?

Published on 10 Apr 2026 - 17:51

120

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Weakly contractible space and extension

Published on 17 Apr 2026 - 22:34

160

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Are the $\Bbb S^2\times \Bbb R^2$ and $\Bbb R^2\times \Bbb S^2$ homeomorphic?

Published on 12 Apr 2026 - 10:03

724

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Homotopy equivalence of fibres of a Hurewicz fibration

Published on 12 Apr 2026 - 13:47

234

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Details in May's proof that local fibrations are fibrations

Published on 12 Apr 2026 - 0:27

330

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Is any smooth fibre bundle a smooth Hurewicz fibration?

Published on 16 Apr 2026 - 19:39

856

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Basic obstruction theory : where does the obstruction to uniqueness of lifting lie?

Published on 02 May 2026 - 3:26

1.4k

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Action of $SO_n$ on $\mathbb{S}^{n-1}$ induces fibre bundle.

Published on 16 Apr 2026 - 1:12

441

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Proof that if $S^{k}\rightarrow S^{m}\rightarrow S^{n}$ is a fiber bundle, then $k=n-1$ and $m=2n-1$.

Published on 14 Apr 2026 - 21:41

218

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extending maps from spaces to their whitehead towers

Published on 08 Apr 2026 - 18:06

249

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morphisms of principal bundles with different structure groups

Published on 10 Apr 2026 - 22:17

43

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Is $\operatorname{Fib}(B)$ cartesian closed when $B$ is?

Published on 13 Apr 2026 - 12:11

141

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Proving the left lifting property for a map

Published on 15 Apr 2026 - 3:35

List Question

Fiber bundle and local trivial fibration

Example of Symplectic fibration

Acyclic fibration admits a section?

Weakly contractible space and extension

Are the $\Bbb S^2\times \Bbb R^2$ and $\Bbb R^2\times \Bbb S^2$ homeomorphic?

Homotopy equivalence of fibres of a Hurewicz fibration

Details in May's proof that local fibrations are fibrations

Is any smooth fibre bundle a smooth Hurewicz fibration?

Basic obstruction theory : where does the obstruction to uniqueness of lifting lie?

Action of $SO_n$ on $\mathbb{S}^{n-1}$ induces fibre bundle.

Proof that if $S^{k}\rightarrow S^{m}\rightarrow S^{n}$ is a fiber bundle, then $k=n-1$ and $m=2n-1$.

extending maps from spaces to their whitehead towers

morphisms of principal bundles with different structure groups

Is $\operatorname{Fib}(B)$ cartesian closed when $B$ is?

Proving the left lifting property for a map

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