List questions from projective-space

Published on 17 Jul 2019 - 12:45

75

Views

Why are values of regular rational maps well-defined?

Published on 25 Mar 2026 - 6:00

122

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Isomorphism between Projective Varieties

Published on 21 Jul 2019 - 18:06

314

Views

Euler exact sequence for $\mathbb{P}^n$ and toric varieties

Published on 25 Mar 2026 - 5:58

37

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0-dimensional quasi projective variety

Published on 24 Jul 2019 - 20:44

52

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Hodge star and Hodge dual of a special kind of $n$-form

Published on 25 Mar 2026 - 13:57

86

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Criteria for existence of real intersection between a cubic and a conic plane curve

Published on 26 Mar 2026 - 9:17

435

Views

On the proof of "A zero dimensional scheme in $\mathbb{P}^{n}$ is always affine"

Published on 01 Aug 2019 - 13:30

199

Views

Alternate characterizations of the Hopf circles in $S^3$

Published on 25 Mar 2026 - 6:12

72

Views

Fundamental groups of algebraic sub-varieties of real projective spaces

Published on 26 Mar 2026 - 16:06

86

Views

Any embedding $\mathbb{R} P^n\hookrightarrow \mathbb{R} P^{\infty}$ induces a surjection of the singular cohomology rings.

Published on 10 Aug 2019 - 20:48

407

Views

Riemannian covering map of $\mathbb{C}P^n$

Published on 26 Mar 2026 - 12:35

59

Views

On some special 5-tuples in projective space $PG(3,2)$

Published on 25 Mar 2026 - 3:01

892

Views

Different types of pencil of conics in the projective plane

Published on 23 Aug 2019 - 16:03

141

Views

Isomorphism between $H^1(\mathbb{P}^n,\mathcal{O}^*)$ and $H^2(\mathbb{P}^n,\mathbb{Z})$

Published on 25 Mar 2026 - 16:01

List Question

Singular points of intersection of hypersurfaces in projective spaces

Why are values of regular rational maps well-defined?

Isomorphism between Projective Varieties

Euler exact sequence for $\mathbb{P}^n$ and toric varieties

0-dimensional quasi projective variety

Hodge star and Hodge dual of a special kind of $n$-form

Criteria for existence of real intersection between a cubic and a conic plane curve

On the proof of "A zero dimensional scheme in $\mathbb{P}^{n}$ is always affine"

Alternate characterizations of the Hopf circles in $S^3$

Fundamental groups of algebraic sub-varieties of real projective spaces

Any embedding $\mathbb{R} P^n\hookrightarrow \mathbb{R} P^{\infty}$ induces a surjection of the singular cohomology rings.

Riemannian covering map of $\mathbb{C}P^n$

On some special 5-tuples in projective space $PG(3,2)$

Different types of pencil of conics in the projective plane

Isomorphism between $H^1(\mathbb{P}^n,\mathcal{O}^*)$ and $H^2(\mathbb{P}^n,\mathbb{Z})$

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