List questions from quadratic-forms

Published on 06 Oct 2014 - 18:00

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Prove a quadratic form is positive definite

Published on 07 Oct 2014 - 1:16

876

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Solving homogeneous quaternary quadratic Diophantine equation

Published on 10 Oct 2014 - 2:36

52

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System of two equations with two unknowns - can't get rid of $xy$

Published on 10 Oct 2014 - 8:24

56

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Solve a system of equations when one is linear and the other is quadratic

Published on 12 Oct 2014 - 12:06

9.9k

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How to show that two quadratic forms are equivalent?

Published on 12 Oct 2014 - 12:24

1.2k

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Discriminant of a Quadratic form

Published on 15 Oct 2014 - 15:13

41

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Quadratic equation form

Published on 16 Oct 2014 - 1:23

286

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Freeman Dyson's identity for the modular discriminant $\Delta$

Published on 25 Mar 2026 - 4:38

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Equivalence for binary quadratic forms with positive square discriminant

Published on 18 Oct 2014 - 18:56

94

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Scaling variables in homogeneous equation of degree two in a,b,c

Published on 20 Oct 2014 - 7:17

250

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A problem on positive semi-definite quadratic forms/matrices

Published on 20 Oct 2014 - 16:37

237

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Non-standard quadratic matrix equation

Published on 20 Oct 2014 - 19:25

257

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A question on a nonnegative quadratic form

Published on 24 Oct 2014 - 14:02

343

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About integral binary quadratic forms fixed by $\operatorname{GL_2(\mathbb Z)}$ matrices of order $3$

Published on 24 Oct 2014 - 15:53

List Question

Inequality of expectation of a quadratic form

Prove a quadratic form is positive definite

Solving homogeneous quaternary quadratic Diophantine equation

System of two equations with two unknowns - can't get rid of $xy$

Solve a system of equations when one is linear and the other is quadratic

How to show that two quadratic forms are equivalent?

Discriminant of a Quadratic form

Quadratic equation form

Freeman Dyson's identity for the modular discriminant $\Delta$

Equivalence for binary quadratic forms with positive square discriminant

Scaling variables in homogeneous equation of degree two in a,b,c

A problem on positive semi-definite quadratic forms/matrices

Non-standard quadratic matrix equation

A question on a nonnegative quadratic form

About integral binary quadratic forms fixed by $\operatorname{GL_2(\mathbb Z)}$ matrices of order $3$

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