Question

The inverse class of the class represented by a primitive binary quadratic form of discriminant $D$

score 251 · Answer 1 · 2013-10-14 05:26:21

251

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The inverse class of the class represented by a primitive binary quadratic form of discriminant $D$

Published on 14 Oct 2013 - 5:26

score 460 · Answer 2 · 2026-03-30 06:29:09

460

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bounding operator norm by quadratic forms on orthonormal basis

Published on 30 Mar 2026 - 6:29

score 3.1k · Answer 3 · 2013-10-14 18:50:15

3.1k

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How to solve an equation of the form $ax^2 - by^2 + cx - dy + e =0$?

Published on 14 Oct 2013 - 18:50

score 224 · Answer 4 · 2013-10-15 03:41:09

224

Views

Factorise $y^2 -3yz -10z^2$

Published on 15 Oct 2013 - 3:41

score 285 · Answer 5 · 2013-10-16 21:44:48

285

Views

What restrictions are on th sum of two fourth powers?

Published on 16 Oct 2013 - 21:44

score 626 · Answer 6 · 2013-10-17 04:12:10

626

Views

What is the geometric interpretation of quadratic forms?

Published on 17 Oct 2013 - 4:12

score 67 · Answer 7 · 2013-10-18 10:20:24

67

Views

Find all $(a,b,c)\in\mathbb{Z}^3$ such that $b^2-4ac=-20$, and $-|a|<b\le|a|<|c|$, or $0\le b\le|a|=|c|$.

Published on 18 Oct 2013 - 10:20

score 68 · Answer 8 · 2013-10-18 13:50:45

68

Views

Number of values of x

Published on 18 Oct 2013 - 13:50

score 554 · Answer 9 · 2013-10-20 22:45:19

554

Views

What finite fields are quadratically closed?

Published on 20 Oct 2013 - 22:45

score 424 · Answer 10 · 2013-10-20 23:16:25

424

Views

Why are quadratic forms so special and why not investigate in higher forms?

Published on 20 Oct 2013 - 23:16

score 485 · Answer 11 · 2013-10-22 13:13:49

485

Views

What is the significance of using variables h and k in vector form?

Published on 22 Oct 2013 - 13:13

score 89 · Answer 12 · 2013-10-24 09:33:07

89

Views

Derivative of quadratic form of matrix in terms of the matrix elements?

Published on 24 Oct 2013 - 9:33

score 124 · Answer 13 · 2013-10-24 16:30:24

124

Views

System of symmetric quadratic equations

Published on 24 Oct 2013 - 16:30

score 955 · Answer 14 · 2013-10-24 23:16:58

955

Views

How to simplify the general equation of a conic section by linear algebra?

Published on 24 Oct 2013 - 23:16

score 735 · Answer 15 · 2026-03-25 23:52:34

735

Views

A condition for an odd prime to be represented by a binary quadratic form of a given discriminant

Published on 25 Mar 2026 - 23:52

List Question

The inverse class of the class represented by a primitive binary quadratic form of discriminant $D$

bounding operator norm by quadratic forms on orthonormal basis

How to solve an equation of the form $ax^2 - by^2 + cx - dy + e =0$?

Factorise $y^2 -3yz -10z^2$

What restrictions are on th sum of two fourth powers?

What is the geometric interpretation of quadratic forms?

Find all $(a,b,c)\in\mathbb{Z}^3$ such that $b^2-4ac=-20$, and $-|a|<b\le|a|<|c|$, or $0\le b\le|a|=|c|$.

Number of values of x

What finite fields are quadratically closed?

Why are quadratic forms so special and why not investigate in higher forms?

What is the significance of using variables h and k in vector form?

Derivative of quadratic form of matrix in terms of the matrix elements?

System of symmetric quadratic equations

How to simplify the general equation of a conic section by linear algebra?

A condition for an odd prime to be represented by a binary quadratic form of a given discriminant

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