List questions from quadratic-forms

Published on 30 May 2012 - 10:24

78

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Witt Cancellation over $\mathbb{Z}/{p^e \mathbb{Z}}$?

Published on 31 May 2012 - 23:02

526

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Simultaneous Orthogonalization

Published on 03 Jun 2012 - 5:13

162

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Center of SO(V,q)

Published on 04 Jun 2012 - 5:39

114

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Solution to a system of quadratics

Published on 29 Mar 2026 - 13:52

775

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Positive definite quadratic form $\sum_{i=1}^n x_i^2 + \sum_{1\leq i < j \leq n} x_{i}x_j$

Published on 17 Jun 2012 - 15:42

629

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Optimization of Unconstrained Quadratic form

Published on 17 Jun 2012 - 19:53

430

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General quadratic form of two variables

Published on 19 Jun 2012 - 16:57

121

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Two elements $a$ and $b$ of a quadratic space generate a nondegenerate two dimensional subspace if and only if $(a\cdot a)(b\cdot b)\neq(a\cdot b)^2$

Published on 25 Jun 2012 - 12:01

1.1k

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Quadratic equation : Two solutions or one solution?

Published on 28 Jun 2012 - 8:07

1.6k

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Solving a system of quadratic vector equations

Published on 06 Jul 2012 - 13:41

2.7k

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Applications of quadratic forms

Published on 03 Apr 2026 - 4:50

722

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Finding positive integer solutions to $n = ax^2 +by^2 - cxy$

Published on 07 Aug 2012 - 19:59

829

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Question about $4$-manifolds and intersection forms

Published on 23 Aug 2012 - 12:37

146

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Siegel's theorem

Published on 28 Aug 2012 - 8:45

List Question

Action of $SL_2(Z)$ on Markoff quadratic forms

Witt Cancellation over $\mathbb{Z}/{p^e \mathbb{Z}}$?

Simultaneous Orthogonalization

Center of SO(V,q)

Solution to a system of quadratics

Positive definite quadratic form $\sum_{i=1}^n x_i^2 + \sum_{1\leq i < j \leq n} x_{i}x_j$

Optimization of Unconstrained Quadratic form

General quadratic form of two variables

Two elements $a$ and $b$ of a quadratic space generate a nondegenerate two dimensional subspace if and only if $(a\cdot a)(b\cdot b)\neq(a\cdot b)^2$

Quadratic equation : Two solutions or one solution?

Solving a system of quadratic vector equations

Applications of quadratic forms

Finding positive integer solutions to $n = ax^2 +by^2 - cxy$

Question about $4$-manifolds and intersection forms

Siegel's theorem

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