List questions from quadratic-forms

Published on 25 Mar 2026 - 9:26

234

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What is the procedure finding the Orthogonal Basis of a Quadratic Form?

Published on 10 Mar 2019 - 21:02

196

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Transforming Quadrics in Characteristic 2

Published on 25 Mar 2026 - 1:21

48

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Simple quadratic inequality

Published on 13 Mar 2019 - 20:20

60

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Serre’s definition of integral quadratic form

Published on 16 Mar 2019 - 19:16

215

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$p=a^2+ab+41b^2$ iff $-163$ is a quadratic residue

Published on 18 Mar 2019 - 5:37

40

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Find out all equivalence classes?

Published on 24 Mar 2019 - 13:39

120

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How to show that a symmetric matrix that is strictly diagonal dominant (sdd) is is positive and definite?

Published on 24 Mar 2019 - 15:32

109

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Find basis which fits quadratic form

Published on 26 Mar 2019 - 3:41

1.1k

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Prove that $f$ is strictly convex iff $A$ is positive definite

Published on 30 Mar 2019 - 7:23

4.5k

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Computing the derivative of $\|Ax\|_2$

Published on 30 Mar 2019 - 13:13

322

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Quadratic forms over $F_p$ in more than $2$ variables are isotropic

Published on 02 Apr 2019 - 10:41

134

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Method to solve diophantine $Ax^2-By^3=C$ or $Ax-By^3=C$

Published on 02 Apr 2019 - 18:42

57

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Help with this problem: quadratic forms and semi-definiteness.

Published on 03 Apr 2019 - 19:32

96

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Is every integer a solution to the generalized pell-like equation

Published on 04 Apr 2019 - 12:53

List Question

Quadratic Form as Sum of Squares

What is the procedure finding the Orthogonal Basis of a Quadratic Form?

Transforming Quadrics in Characteristic 2

Simple quadratic inequality

Serre’s definition of integral quadratic form

$p=a^2+ab+41b^2$ iff $-163$ is a quadratic residue

Find out all equivalence classes?

How to show that a symmetric matrix that is strictly diagonal dominant (sdd) is is positive and definite?

Find basis which fits quadratic form

Prove that $f$ is strictly convex iff $A$ is positive definite

Computing the derivative of $\|Ax\|_2$

Quadratic forms over $F_p$ in more than $2$ variables are isotropic

Method to solve diophantine $Ax^2-By^3=C$ or $Ax-By^3=C$

Help with this problem: quadratic forms and semi-definiteness.

Is every integer a solution to the generalized pell-like equation

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