List questions from projective-space

Published on 14 Jan 2016 - 16:26

170

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Computation of the fundamental group of $\mathbb{C}P^n$ using induction on $n$.

Published on 15 Jan 2016 - 21:08

155

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Possible subbundles on $\mathbb{CP}^1$

Published on 20 Jan 2016 - 15:05

41

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Computing the restriction $(\Lambda^2T_{\mathbb{P}^n})_{|L}$ for line in $\mathbb{P}^n$

Published on 20 Jan 2016 - 21:49

4.4k

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How is the metric defined on the real projective space $\mathbb{RP}^n$?

Published on 25 Jan 2016 - 11:32

85

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Computing the inverse to a rational map

Published on 11 Mar 2026 - 3:53

4.8k

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Number of points on a line in a finite projective plane

Published on 26 Jan 2016 - 16:18

512

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The degree of smooth projective curve included in $\mathbb P^n$ which is nondegenerate is more or equal the dimension of the projective space

Published on 28 Jan 2016 - 17:25

47

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$U_{0}=\{[a^{0},a^{1},…,a^{n}]\in \mathbb{R}P^{n}\,:\,a^{0}\neq 0\}$. Is it open in $\mathbb{R}P^{n}$?

Published on 30 Jan 2016 - 15:13

1k

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Irreducibility of an affine variety in an affince space vs in a projective space.

Published on 01 Feb 2016 - 13:41

229

Views

Darboux coordinates on projective spaces

Published on 26 Mar 2026 - 2:57

953

Views

Self-intersection number in Projective Space

Published on 05 Feb 2016 - 8:33

49

Views

Set of roots of quadratic form $B(x,y,z,t)$ on the line $z=t=0$ is nonempty.

Published on 12 Feb 2016 - 11:04

484

Views

How can I understand the isomorphism $SO(3)\cong \mathbb{RP}^3 \cong S^3/\mathbb{Z}_2$ and compute the corresponding volumes?

Published on 16 Feb 2016 - 11:57

301

Views

Coordinate system in a Projective Space

Published on 18 Feb 2016 - 11:35

List Question

Reference request on complex projective algebraic geometry

Computation of the fundamental group of $\mathbb{C}P^n$ using induction on $n$.

Possible subbundles on $\mathbb{CP}^1$

Computing the restriction $(\Lambda^2T_{\mathbb{P}^n})_{|L}$ for line in $\mathbb{P}^n$

How is the metric defined on the real projective space $\mathbb{RP}^n$?

Computing the inverse to a rational map

Number of points on a line in a finite projective plane

The degree of smooth projective curve included in $\mathbb P^n$ which is nondegenerate is more or equal the dimension of the projective space

$U_{0}=\{[a^{0},a^{1},…,a^{n}]\in \mathbb{R}P^{n}\,:\,a^{0}\neq 0\}$. Is it open in $\mathbb{R}P^{n}$?

Irreducibility of an affine variety in an affince space vs in a projective space.

Darboux coordinates on projective spaces

Self-intersection number in Projective Space

Set of roots of quadratic form $B(x,y,z,t)$ on the line $z=t=0$ is nonempty.

How can I understand the isomorphism $SO(3)\cong \mathbb{RP}^3 \cong S^3/\mathbb{Z}_2$ and compute the corresponding volumes?

Coordinate system in a Projective Space

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