List questions from quadratic-forms

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Matrix derivative quadratic form - product rule

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Quaternary quadratic modular problem.

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Lower bound on quadratic form

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How do I convert a quadratic form to a diagonal form?

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show quadratic forms $x^2 + y^2 + z^2$ and $ x^2 - y^2 - z^2$ are equivalent over finite fields $\mathbb{F}_p$

Published on 23 May 2016 - 12:47

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How to deduce the formula for quadratic form?

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A specific case of quadratic forms

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(Geometric) Intuition behind Different Types of Rank 2 Tensor (Specifically Quadratic Forms)

Published on 28 May 2016 - 16:48

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Is there a Fermat-era proof of Theorem 69 from Dickson's Intro to NT?

Published on 03 Jun 2016 - 15:30

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Prove or disprove: quadratic form $Q(v):=\beta(v,v) $ (biliniarform) is nondegenerate if $\beta$ is.

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Solutions of quadratic equation with $n$ variables

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Show $|E_1(\mathbb{F_q})|+|E_2(\mathbb{F_q})|=2(q+1)$

Published on 04 Jun 2016 - 20:20

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Solutions to a quadratic diophantine equation $x^2 + xy + y^2 = 3r^2$.

Published on 25 Mar 2026 - 22:30

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Describe an equation geometrically

Published on 28 Mar 2026 - 11:42

List Question

Derivative of a quadratic cost function with respect to a vector

Matrix derivative quadratic form - product rule

Quaternary quadratic modular problem.

Lower bound on quadratic form

How do I convert a quadratic form to a diagonal form?

show quadratic forms $x^2 + y^2 + z^2$ and $ x^2 - y^2 - z^2$ are equivalent over finite fields $\mathbb{F}_p$

How to deduce the formula for quadratic form?

A specific case of quadratic forms

(Geometric) Intuition behind Different Types of Rank 2 Tensor (Specifically Quadratic Forms)

Is there a Fermat-era proof of Theorem 69 from Dickson's Intro to NT?

Prove or disprove: quadratic form $Q(v):=\beta(v,v) $ (biliniarform) is nondegenerate if $\beta$ is.

Solutions of quadratic equation with $n$ variables

Show $|E_1(\mathbb{F_q})|+|E_2(\mathbb{F_q})|=2(q+1)$

Solutions to a quadratic diophantine equation $x^2 + xy + y^2 = 3r^2$.

Describe an equation geometrically

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