Question

What is wrong with my approach to finding solution of these equations?

score 56 · Answer 1 · 2023-05-16 23:24:31

56

Views

What is wrong with my approach to finding solution of these equations?

Published on 16 May 2023 - 23:24

score 220 · Answer 2 · 2026-03-25 17:20:55

220

Views

Second order derivative of $f(x):=\frac{1}{2} ⟨x,Ax⟩$

Published on 25 Mar 2026 - 17:20

score 146 · Answer 3 · 2026-03-27 02:38:14

146

Views

Determinant is a quadratic form

Published on 27 Mar 2026 - 2:38

score 47 · Answer 4 · 2026-03-26 16:23:05

47

Views

Clifford Algebra with $Q$=0

Published on 26 Mar 2026 - 16:23

score 33 · Answer 5 · 2026-03-26 19:19:59

33

Views

Show that the action of PSL$_2(\mathbb Z)$ on a quadratic form by $g \cdot Q = Q(ax + by, cx + dy)$ preserves the set of properly represented numbers

Published on 26 Mar 2026 - 19:19

score 67 · Answer 6 · 2023-05-25 06:49:46

67

Views

Proof of $\operatorname{rank} \left( X’ V X \right) = \operatorname{rank} (X)$

Published on 25 May 2023 - 6:49

score 128 · Answer 7 · 2023-05-27 09:08:31

128

Views

Equivalence of quadratic forms if they have the same signature.

Published on 27 May 2023 - 9:08

score 107 · Answer 8 · 2026-03-27 02:34:22

107

Views

Non-degenerate bilinear forms and orthogonal bases for free modules

Published on 27 Mar 2026 - 2:34

score 32 · Answer 9 · 2023-05-29 05:25:12

32

Views

Seeking the solution of an equation with quadratic kernel matrix as variable.

Published on 29 May 2023 - 5:25

score 84 · Answer 10 · 2026-03-27 21:19:14

84

Views

Necessary and sufficient condition to write a quadratic form on a finite-dimensional real vector space as a product of two linear functionals

Published on 27 Mar 2026 - 21:19

score 63 · Answer 11 · 2026-03-29 12:25:40

63

Views

Relation between the level and the determinant of a matrix

Published on 29 Mar 2026 - 12:25

score 60 · Answer 12 · 2026-03-26 09:48:32

60

Views

Binary program that maximizes ratio of quadratic forms

Published on 26 Mar 2026 - 9:48

score 38 · Answer 13 · 2023-06-04 20:26:35

38

Views

Number of Classes in a Genus of a Quadratic Form?

Published on 04 Jun 2023 - 20:26

score 28 · Answer 14 · 2026-03-26 14:34:28

28

Views

Existence of a $q$-orthonormal basis of $\mathbb{R}^{r+s}$

Published on 26 Mar 2026 - 14:34

score 50 · Answer 15 · 2026-03-27 02:40:29

50

Views

How to extend an orthogonal linearly independent set to an orthogonal basis, with respect to a symmetric bilinear form?

Published on 27 Mar 2026 - 2:40

List Question

What is wrong with my approach to finding solution of these equations?

Second order derivative of $f(x):=\frac{1}{2} ⟨x,Ax⟩$

Determinant is a quadratic form

Clifford Algebra with $Q$=0

Show that the action of PSL$_2(\mathbb Z)$ on a quadratic form by $g \cdot Q = Q(ax + by, cx + dy)$ preserves the set of properly represented numbers

Proof of $\operatorname{rank} \left( X’ V X \right) = \operatorname{rank} (X)$

Equivalence of quadratic forms if they have the same signature.

Non-degenerate bilinear forms and orthogonal bases for free modules

Seeking the solution of an equation with quadratic kernel matrix as variable.

Necessary and sufficient condition to write a quadratic form on a finite-dimensional real vector space as a product of two linear functionals

Relation between the level and the determinant of a matrix

Binary program that maximizes ratio of quadratic forms

Number of Classes in a Genus of a Quadratic Form?

Existence of a $q$-orthonormal basis of $\mathbb{R}^{r+s}$

How to extend an orthogonal linearly independent set to an orthogonal basis, with respect to a symmetric bilinear form?

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