List questions from projective-space

Published on 22 Jul 2021 - 19:24

68

Views

Show that if $n$ is odd, then $\frac {RP^n}{RP^{n-2}} \simeq S^n \vee S^{n-1} $

Published on 22 Jul 2021 - 21:05

296

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Acting on CP(2) by conjugation

Published on 27 Jul 2021 - 19:26

338

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can I use Affine cones for calculating singularities on projective quadrics?

Published on 28 Jul 2021 - 16:45

656

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Homeomorphism between the real projective plane and a quotient of unit square

Published on 01 Aug 2021 - 16:38

852

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Why is a line in the projective plane a circle?

Published on 02 Aug 2021 - 20:50

70

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Computing Cohomology via Sheaves for Projective Spaces

Published on 28 Mar 2026 - 22:35

143

Views

Lifting projective representations from Lie algebras

Published on 07 Aug 2021 - 13:57

87

Views

homeomorphism projective space cell

Published on 08 Aug 2021 - 16:54

134

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Are $\mathbb{R}P^3$ and $T^1S^2$ isometric?

Published on 26 Mar 2026 - 12:34

233

Views

Sections of projective bundles over the projective plane

Published on 31 Mar 2026 - 16:16

29

Views

doubts about finding an equation of a projective plane

Published on 17 Aug 2021 - 10:10

180

Views

Global section of the line bundle ${\cal O}_{{\Bbb P}_k}(1)$ over ${\Bbb P}_k^1$.

Published on 26 Mar 2026 - 3:12

127

Views

Deducing exactness of Euler seqeuence from Euler's theorem on homogeneous functions

Published on 26 Mar 2026 - 11:06

40

Views

Explicit correpsondence between ${\cal O}_{{\Bbb P}_k^1}(1) = {\cal O}_{{\Bbb P}_k^1}(x)$.

Published on 26 Mar 2026 - 3:12

List Question

What is the structure, if any, on the projective space over a field?

Show that if $n$ is odd, then $\frac {RP^n}{RP^{n-2}} \simeq S^n \vee S^{n-1} $

Acting on CP(2) by conjugation

can I use Affine cones for calculating singularities on projective quadrics?

Homeomorphism between the real projective plane and a quotient of unit square

Why is a line in the projective plane a circle?

Computing Cohomology via Sheaves for Projective Spaces

Lifting projective representations from Lie algebras

homeomorphism projective space cell

Are $\mathbb{R}P^3$ and $T^1S^2$ isometric?

Sections of projective bundles over the projective plane

doubts about finding an equation of a projective plane

Global section of the line bundle ${\cal O}_{{\Bbb P}_k}(1)$ over ${\Bbb P}_k^1$.

Deducing exactness of Euler seqeuence from Euler's theorem on homogeneous functions

Explicit correpsondence between ${\cal O}_{{\Bbb P}_k^1}(1) = {\cal O}_{{\Bbb P}_k^1}(x)$.

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