Question

How to determine if 6 points are on the same conic

score 69 · Answer 1 · 2024-02-05 05:17:48

69

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How to determine if 6 points are on the same conic

Published on 05 Feb 2024 - 5:17

score 42 · Answer 2 · 2024-02-06 17:30:21

42

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Extending the Fundamental Theorem of Projective Geometry to projective lines over quadratic field extensions

Published on 06 Feb 2024 - 17:30

score 105 · Answer 3 · 2024-02-06 18:10:02

105

Views

Finite morphisms between affine schemes are projective

Published on 06 Feb 2024 - 18:10

score 81 · Answer 4 · 2024-02-09 08:57:56

81

Views

What is the area of a cinema screen when seen from an angle?

Published on 09 Feb 2024 - 8:57

score 34 · Answer 5 · 2024-02-09 16:57:01

34

Views

Why do taking cross product in homogeneous coordinates of $2$ colinear points in cartesian coordiante give line at infinity?

Published on 09 Feb 2024 - 16:57

score 50 · Answer 6 · 2024-02-12 17:02:27

50

Views

Penrose Triangle as a 4D object

Published on 12 Feb 2024 - 17:02

score 84 · Answer 7 · 2026-03-26 22:58:02

84

Views

Does colinearity in construction with ruller has to occure because we "decide" it in the contruction?

Published on 26 Mar 2026 - 22:58

score 51 · Answer 8 · 2024-02-14 18:31:24

51

Views

There are No Non-trivial Rational Function Solutions to $n=4$ Fermat's Curve

Published on 14 Feb 2024 - 18:31

score 63 · Answer 9 · 2024-02-14 21:52:22

63

Views

Simple projective geometry (in the projective plane) question

Published on 14 Feb 2024 - 21:52

score 50 · Answer 10 · 2026-03-30 03:23:23

50

Views

Parallel lines diverge behind the observer in projective geometry

Published on 30 Mar 2026 - 3:23

score 89 · Answer 11 · 2024-02-22 04:46:51

89

Views

Transforming $X^3 + Y^3 + Z^3 + 3XYZ = 0$ into an elliptic curve

Published on 22 Feb 2024 - 4:46

score 19 · Answer 12 · 2024-02-22 12:23:09

19

Views

How to computer camera FOV given corresponding points in world space and view space

Published on 22 Feb 2024 - 12:23

score 81 · Answer 13 · 2026-03-26 21:35:12

81

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Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

Published on 26 Mar 2026 - 21:35

score 335 · Answer 14 · 2026-03-27 02:39:53

335

Views

Why the name linear fractional map?

Published on 27 Mar 2026 - 2:39

score 150 · Answer 15 · 2024-02-29 17:30:40

150

Views

Hartshorne Example II.7.8.6

Published on 29 Feb 2024 - 17:30

List Question

How to determine if 6 points are on the same conic

Extending the Fundamental Theorem of Projective Geometry to projective lines over quadratic field extensions

Finite morphisms between affine schemes are projective

What is the area of a cinema screen when seen from an angle?

Why do taking cross product in homogeneous coordinates of $2$ colinear points in cartesian coordiante give line at infinity?

Penrose Triangle as a 4D object

Does colinearity in construction with ruller has to occure because we "decide" it in the contruction?

There are No Non-trivial Rational Function Solutions to $n=4$ Fermat's Curve

Simple projective geometry (in the projective plane) question

Parallel lines diverge behind the observer in projective geometry

Transforming $X^3 + Y^3 + Z^3 + 3XYZ = 0$ into an elliptic curve

How to computer camera FOV given corresponding points in world space and view space

Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

Why the name linear fractional map?

Hartshorne Example II.7.8.6

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