List questions from quadratic-forms

Published on 20 Apr 2019 - 11:04

239

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Decomposing bivariate quadratic form into sum of two squares

Published on 25 Mar 2026 - 7:43

319

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Binary Quadratic Forms of Discriminant -3

Published on 27 Feb 2026 - 23:45

51

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Isomorphic elements in $H^i(k;\mu_2)$

Published on 17 Mar 2026 - 8:36

199

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Proving an identity of quadratic form

Published on 24 Apr 2019 - 14:53

45

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Classical $\sum_{1\leq i\leq n} x_i^2$ are group forms for $n=1,2,4,8$.

Published on 25 Apr 2019 - 3:57

77

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Let $q$ be a quadratic form on the finite vector space $V$ over $\mathbb{F}_2$.

Published on 25 Mar 2026 - 10:56

102

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Issue understanding quadratic forms

Published on 29 Apr 2019 - 11:12

232

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What is the point of finding the standard form of a quadratic form?

Published on 29 Apr 2019 - 19:05

28

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Prove of quadratic Optimal control

Published on 26 Mar 2026 - 1:28

630

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Quadratic Forms and Dual Space

Published on 25 Mar 2026 - 15:38

339

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Cochran's Theorem

Published on 25 Mar 2026 - 12:13

68

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Why does this inequality with quadratic forms hold?

Published on 04 May 2019 - 1:43

143

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Find the points of the surface defined by $-x_1^2 + x_2^2 - x_3^2 + 10x_1x_3 = 1$ closest to the origin

Published on 04 May 2019 - 3:26

78

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$k\sum v_i v_i^T-\big(\sum v_i\big)\big(\sum v_i^T\big)\succeq 0$

Published on 25 Mar 2026 - 13:57

List Question

Proof of derivative of $x^TBx$ using the product rule

Decomposing bivariate quadratic form into sum of two squares

Binary Quadratic Forms of Discriminant -3

Isomorphic elements in $H^i(k;\mu_2)$

Proving an identity of quadratic form

Classical $\sum_{1\leq i\leq n} x_i^2$ are group forms for $n=1,2,4,8$.

Let $q$ be a quadratic form on the finite vector space $V$ over $\mathbb{F}_2$.

Issue understanding quadratic forms

What is the point of finding the standard form of a quadratic form?

Prove of quadratic Optimal control

Quadratic Forms and Dual Space

Cochran's Theorem

Why does this inequality with quadratic forms hold?

Find the points of the surface defined by $-x_1^2 + x_2^2 - x_3^2 + 10x_1x_3 = 1$ closest to the origin

$k\sum v_i v_i^T-\big(\sum v_i\big)\big(\sum v_i^T\big)\succeq 0$

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