List questions from projective-space

Published on 24 Nov 2017 - 16:06

568

Views

Is the projection injective in each connected component?

Published on 01 Apr 2026 - 5:11

1.8k

Views

On the homotopy type of $\mathbb R P^3$ and $\mathbb R P^2 \vee S^3$

Published on 27 Nov 2017 - 16:46

123

Views

$\mathbb{R}^{n+1}\setminus\{0\}\rightarrow S^n$ is a submersion

Published on 26 Mar 2026 - 12:35

1k

Views

How is $(\mathbb{S}^2,\pi)$ a covering of $\mathbb{RP}^2$?

Published on 02 Dec 2017 - 15:33

285

Views

$\tilde{f}:\mathbb{P}^2(\mathbb{R})\rightarrow\mathbb{R}^6$ injective immersion

Published on 01 Apr 2026 - 6:33

701

Views

Intuition on the fundamental group of the projective plane.

Published on 02 Dec 2017 - 22:15

161

Views

Question about notation used to denote Hirzebruch surfaces

Published on 30 Mar 2026 - 1:28

552

Views

Prove that $\pi:S^3\rightarrow \mathbb{P}^1(\mathbb{C})\cong S^2$ is a submersion

Published on 25 Mar 2026 - 17:37

151

Views

Determinant bundle of subvector bundle provides subline bundle

Published on 05 Dec 2017 - 7:37

93

Views

Why is $\operatorname{SL}_2(q)/B\simeq\mathbb{P}^1(\mathbb{F}_q)$ as $\operatorname{SL}_2(q)$-sets?

Published on 06 Dec 2017 - 7:37

517

Views

deducing Bott vanishing

Published on 28 Mar 2026 - 8:47

445

Views

Prove that $\phi $ is a birational map and that the inverse map coincides with the blowup.

Published on 08 Dec 2017 - 11:03

36

Views

Proving $T\mathbb{C}P^n\oplus(\mathbb{C}\times\mathbb{C}P^n)\cong\oplus_{i=1}^{n+1}\mathcal{O}(1)$

Published on 30 Mar 2026 - 1:29

57

Views

Action of $SL_2\left(\mathbb{Z}\right)$ on $\mathbb{RP}^1$ is minimal

Published on 12 Dec 2017 - 21:31

List Question

isomorphic homotopy groups, but not homotopy equivalent

Is the projection injective in each connected component?

On the homotopy type of $\mathbb R P^3$ and $\mathbb R P^2 \vee S^3$

$\mathbb{R}^{n+1}\setminus\{0\}\rightarrow S^n$ is a submersion

How is $(\mathbb{S}^2,\pi)$ a covering of $\mathbb{RP}^2$?

$\tilde{f}:\mathbb{P}^2(\mathbb{R})\rightarrow\mathbb{R}^6$ injective immersion

Intuition on the fundamental group of the projective plane.

Question about notation used to denote Hirzebruch surfaces

Prove that $\pi:S^3\rightarrow \mathbb{P}^1(\mathbb{C})\cong S^2$ is a submersion

Determinant bundle of subvector bundle provides subline bundle

Why is $\operatorname{SL}_2(q)/B\simeq\mathbb{P}^1(\mathbb{F}_q)$ as $\operatorname{SL}_2(q)$-sets?

deducing Bott vanishing

Prove that $\phi $ is a birational map and that the inverse map coincides with the blowup.

Proving $T\mathbb{C}P^n\oplus(\mathbb{C}\times\mathbb{C}P^n)\cong\oplus_{i=1}^{n+1}\mathcal{O}(1)$

Action of $SL_2\left(\mathbb{Z}\right)$ on $\mathbb{RP}^1$ is minimal

Trending Questions

Popular # Hahtags

Popular Questions