Question

Why does eyes initially on the horizon line always remain on the horizon line when moving on a ground without elevation?

score 95 · Answer 1 · 2022-05-29 11:31:39

95

Views

Why does eyes initially on the horizon line always remain on the horizon line when moving on a ground without elevation?

Published on 29 May 2022 - 11:31

score 124 · Answer 2 · 2022-05-31 17:36:05

124

Views

3D Rotation as a Projective Transformation

Published on 31 May 2022 - 17:36

score 102 · Answer 3 · 2026-02-23 10:51:54

102

Views

multiplicity of the intersections between $p=x_0x_1^2+x_1x_2^2+x_2x_0^2\,\,$ and $\,\,q=-8(x_0^3+x_1^3+x_2^3)+24x_0x_1x_2$ in $\mathbb{P^2(K)}$

Published on 23 Feb 2026 - 10:51

score 90 · Answer 4 · 2022-06-08 07:06:28

90

Views

A curve that intersects $2x^3y^3-30x^2y^2+11xy^3+2x^3-38x^2y+20xy^2-13y^3+16x^2+94xy+10y^2+301x-668y+662$ with multiplicity $3$ or more

Published on 08 Jun 2022 - 7:06

score 129 · Answer 5 · 2022-06-10 14:59:38

129

Views

Finding a square on four lines

Published on 10 Jun 2022 - 14:59

score 110 · Answer 6 · 2026-03-29 06:29:00

110

Views

Number of lines on a singular cubic surface

Published on 29 Mar 2026 - 6:29

score 194 · Answer 7 · 2022-06-16 19:38:45

194

Views

Projective completion of an affine plane

Published on 16 Jun 2022 - 19:38

score 95 · Answer 8 · 2026-03-26 06:20:36

95

Views

Reconstruct Quadric from Projections on Plane Conics

Published on 26 Mar 2026 - 6:20

score 105 · Answer 9 · 2026-04-03 12:52:37

105

Views

Line through a point and two non-intersecting lines in a projective space

Published on 03 Apr 2026 - 12:52

score 291 · Answer 10 · 2022-06-20 02:17:32

291

Views

Question about oblique and orthographic projections

Published on 20 Jun 2022 - 2:17

score 36 · Answer 11 · 2022-06-21 02:30:30

36

Views

How can I find a proportional length on a perpendicular line from a perspective?

Published on 21 Jun 2022 - 2:30

score 105 · Answer 12 · 2026-03-26 15:17:13

105

Views

Desingularization of the standard Cremona involution of $\mathbb P^2$.

Published on 26 Mar 2026 - 15:17

score 157 · Answer 13 · 2026-04-03 11:08:09

157

Views

What are the homogeneous coordinates of the point at infinity on elliptic curve?

Published on 03 Apr 2026 - 11:08

score 347 · Answer 14 · 2026-04-03 12:58:13

347

Views

Finding intersection point of two lines in projective space

Published on 03 Apr 2026 - 12:58

score 123 · Answer 15 · 2026-03-25 21:47:49

123

Views

Polynomial Maps of Real Projective Varieties

Published on 25 Mar 2026 - 21:47

List Question

Why does eyes initially on the horizon line always remain on the horizon line when moving on a ground without elevation?

3D Rotation as a Projective Transformation

multiplicity of the intersections between $p=x_0x_1^2+x_1x_2^2+x_2x_0^2\,\,$ and $\,\,q=-8(x_0^3+x_1^3+x_2^3)+24x_0x_1x_2$ in $\mathbb{P^2(K)}$

A curve that intersects $2x^3y^3-30x^2y^2+11xy^3+2x^3-38x^2y+20xy^2-13y^3+16x^2+94xy+10y^2+301x-668y+662$ with multiplicity $3$ or more

Finding a square on four lines

Number of lines on a singular cubic surface

Projective completion of an affine plane

Reconstruct Quadric from Projections on Plane Conics

Line through a point and two non-intersecting lines in a projective space

Question about oblique and orthographic projections

How can I find a proportional length on a perpendicular line from a perspective?

Desingularization of the standard Cremona involution of $\mathbb P^2$.

What are the homogeneous coordinates of the point at infinity on elliptic curve?

Finding intersection point of two lines in projective space

Polynomial Maps of Real Projective Varieties

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