Category:Quadratic forms

• 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

• Proofs of Fermat's theorem on sums of two squares (computing)

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)