Question

What is this field in $\mathbb{R}^4$ that contains both the real and complex numbers called?

score 139 · Answer 1 · 2026-03-25 16:02:26

139

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What is this field in $\mathbb{R}^4$ that contains both the real and complex numbers called?

Published on 25 Mar 2026 - 16:02

score 85 · Answer 2 · 2024-02-17 14:10:12

85

Views

representation for elements in $\pi_3(S^3)$

Published on 17 Feb 2024 - 14:10

score 33 · Answer 3 · 2026-03-25 16:03:01

33

Views

Geometric explanation of Fueter-Sce-Qian theorem and similar situations

Published on 25 Mar 2026 - 16:03

score 61 · Answer 4 · 2024-02-23 13:28:36

61

Views

converting pose (which is a quaternion & a vector) from a coordinate system to another

Published on 23 Feb 2024 - 13:28

score 59 · Answer 5 · 2026-02-23 06:21:48

59

Views

Triple Cross Product Identity for imaginary quaternions $\mathbb{H}_0$

Published on 23 Feb 2026 - 6:21

score 97 · Answer 6 · 2026-03-31 14:24:56

97

Views

How to convert from 2D points to 3D points on a plane

Published on 31 Mar 2026 - 14:24

score 68 · Answer 7 · 2024-03-07 04:34:22

68

Views

Finding a point on $SO(3)$ that is equivalent (up to diffeomorphism) to a point on $\mathbb{RP}^3$

Published on 07 Mar 2024 - 4:34

score 78 · Answer 8 · 2026-03-27 04:56:41

78

Views

Is this statement about quaternion function true?

Published on 27 Mar 2026 - 4:56

score 74 · Answer 9 · 2026-04-01 13:48:44

74

Views

Inverse of a 2x2 quaternion matrix: whence this formula?

Published on 01 Apr 2026 - 13:48

score 44 · Answer 10 · 2024-03-18 01:29:27

44

Views

What is the meaning of this notation $\mathbb C_2$ in Jacobson's Basic Algebra I?

Published on 18 Mar 2024 - 1:29

score 92 · Answer 11 · 2024-03-19 22:23:42

92

Views

What is the relationship between the Laplace equation and the Wave equation?

Published on 19 Mar 2024 - 22:23

score 54 · Answer 12 · 2024-03-21 10:59:14

54

Views

conditions for quaternions to be valid

Published on 21 Mar 2024 - 10:59

score 56 · Answer 13 · 2026-03-25 16:02:13

56

Views

Real usage of “pure” quaternions in stereometry?

Published on 25 Mar 2026 - 16:02

score 1.5k · Answer 14 · 2015-01-03 04:08:17

1.5k

Views

Velocity vector transformations with respect to a global frame of reference

Published on 03 Jan 2015 - 4:08

score 299 · Answer 15 · 2015-01-04 17:33:32

299

Views

Conjugation of quaternions

Published on 04 Jan 2015 - 17:33

List Question

What is this field in $\mathbb{R}^4$ that contains both the real and complex numbers called?

representation for elements in $\pi_3(S^3)$

Geometric explanation of Fueter-Sce-Qian theorem and similar situations

converting pose (which is a quaternion & a vector) from a coordinate system to another

Triple Cross Product Identity for imaginary quaternions $\mathbb{H}_0$

How to convert from 2D points to 3D points on a plane

Finding a point on $SO(3)$ that is equivalent (up to diffeomorphism) to a point on $\mathbb{RP}^3$

Is this statement about quaternion function true?

Inverse of a 2x2 quaternion matrix: whence this formula?

What is the meaning of this notation $\mathbb C_2$ in Jacobson's Basic Algebra I?

What is the relationship between the Laplace equation and the Wave equation?

conditions for quaternions to be valid

Real usage of “pure” quaternions in stereometry?

Velocity vector transformations with respect to a global frame of reference

Conjugation of quaternions

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