List questions from projective-space

Published on 05 Aug 2016 - 19:59

39

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Calculate cubic surface

Published on 07 Aug 2016 - 13:55

503

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How many lines intersect two lines and a point in $\mathbb{P}^3$

Published on 15 Aug 2016 - 11:14

511

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confused about geometrical logical meaning of dot product of two vectors

Published on 19 Aug 2016 - 3:05

414

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Connected components defined by a given curve in the affine plane, in the projective plane and in the complex affine plane

Published on 23 Aug 2016 - 13:57

240

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Is this the basis for the topology of the complex projective plane?

Published on 28 Mar 2026 - 3:27

3.1k

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Are complex projective spaces orientable?

Published on 25 Mar 2026 - 12:47

437

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Projective plane - equation in $\Bbb R^5$

Published on 26 Aug 2016 - 9:09

228

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How to show that a root of a bivariate homogeneous polynomial divides the polynomial?

Published on 28 Aug 2016 - 3:49

144

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Homogeneous coordinate ring of finite set in $\mathbb{P}^n$ is Cohen-Macaulay

Published on 28 Aug 2016 - 6:40

35

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$\dim(R/I(Y_1) \cap I(Y_2))= \dim R/I(Y_1)$

Published on 28 Aug 2016 - 12:58

166

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Fixed points of complex conjugation on $\mathbb{C}P^n$ homeomorphic to $\mathbb{R}P^n$

Published on 28 Aug 2016 - 17:57

409

Views

Inner product on tangent space of projective space

Published on 28 Aug 2016 - 19:49

709

Views

Find the sets of lines on a quadric

Published on 25 Mar 2026 - 16:02

3.2k

Views

Why is the line at infinity one-dimensional?

Published on 04 Sep 2016 - 3:03

List Question

Find projection vector on a plane

Calculate cubic surface

How many lines intersect two lines and a point in $\mathbb{P}^3$

confused about geometrical logical meaning of dot product of two vectors

Connected components defined by a given curve in the affine plane, in the projective plane and in the complex affine plane

Is this the basis for the topology of the complex projective plane?

Are complex projective spaces orientable?

Projective plane - equation in $\Bbb R^5$

How to show that a root of a bivariate homogeneous polynomial divides the polynomial?

Homogeneous coordinate ring of finite set in $\mathbb{P}^n$ is Cohen-Macaulay

$\dim(R/I(Y_1) \cap I(Y_2))= \dim R/I(Y_1)$

Fixed points of complex conjugation on $\mathbb{C}P^n$ homeomorphic to $\mathbb{R}P^n$

Inner product on tangent space of projective space

Find the sets of lines on a quadric

Why is the line at infinity one-dimensional?

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