# Category:Quadratic forms

Here is a list of articles in the Quadratic forms category of the Computing portal that unifies foundations of mathematics and computations using computers.

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## Subcategories

This category has the following 3 subcategories, out of 3 total.

## Pages in category "Quadratic forms"

The following 61 pages are in this category, out of 61 total.

- Quadratic form
*(computing)*

### 1

- 15 and 290 theorems
*(computing)*

### A

- Arf invariant
*(computing)*

### B

- Barnes–Wall lattice
*(computing)* - Bhargava cube
*(computing)* - Binary quadratic form
*(computing)* - Brauer–Wall group
*(computing)* - Büchi's problem
*(computing)*

### C

- Class number formula
*(computing)* - Clifford algebra
*(computing)* - Composition algebra
*(computing)* - Coxeter–Todd lattice
*(computing)*

### D

- Definite quadratic form
*(computing)* - Discriminant
*(computing)* - Donaldson's theorem
*(computing)*

### E

- E8 lattice
*(computing)* - Ε-quadratic form
*(computing)* - Eutactic lattice
*(computing)*

### F

### G

- Generalized Clifford algebra
*(computing)* - Genus of a quadratic form
*(computing)* - Gerbaldi's theorem
*(computing)*

### H

- Hasse invariant of a quadratic form
*(computing)* - Hasse–Minkowski theorem
*(computing)* - Hilbert symbol
*(computing)* - Hilbert's eleventh problem
*(computing)* - Hurwitz problem
*(computing)* - Hurwitz's theorem (composition algebras)
*(computing)*

### I

- II25,1
*(computing)* - Isotropic line
*(computing)* - Isotropic quadratic form
*(computing)*

### K

- Kaplansky's theorem on quadratic forms
*(computing)*

### L

- L-theory
*(computing)* - Leech lattice
*(computing)* - Linked field
*(computing)*

### M

- Markov spectrum
*(computing)* - Meyer's theorem
*(computing)*

### N

- Negative definiteness
*(computing)* - Niemeier lattice
*(computing)* - Null vector
*(computing)*

### O

- Oppenheim conjecture
*(computing)* - Orthogonal group
*(computing)*

### P

- Perfect lattice
*(computing)* - Pfister form
*(computing)* - Point reflection
*(computing)* - Positive definiteness
*(computing)* - Projective orthogonal group
*(computing)*

### Q

- Quadratic form (statistics)
*(computing)* - Quaternionic structure
*(computing)*

### R

- Ramanujan's ternary quadratic form
*(computing)*

### S

- Signature (topology)
*(computing)* - Smith–Minkowski–Siegel mass formula
*(computing)* - Spinor genus
*(computing)* - Surgery structure set
*(computing)* - Sylvester's law of inertia
*(computing)*

### T

- Tensor product of quadratic forms
*(computing)*

### U

- U-invariant
*(computing)* - Unimodular lattice
*(computing)* - Universal quadratic form
*(computing)*

### W

- Witt group
*(computing)* - Witt's theorem
*(computing)*