• Invariant theory

B

• Bracket algebra
• Bracket ring

C

• Canonizant
• Capelli's identity
• Catalecticant
• Cayley's Ω process
• Chevalley–Iwahori–Nagata theorem
• Chevalley–Shephard–Todd theorem
• The Classical Groups
• Covariant (invariant theory)

D

• Differential invariant

E

• Evectant

F

• First and second fundamental theorems of invariant theory

G

• Geometric invariant theory
• Glossary of invariant theory
• Gram's theorem
• Gröbner basis

H

• Haboush's theorem
• Hall algebra
• Hermite reciprocity
• Hesse's principle of transfer
• Hilbert–Mumford criterion
• Hilbert's basis theorem
• Hilbert's fourteenth problem
• Hilbert's syzygy theorem
• Hodge bundle

I

• Invariant estimator
• Invariant of a binary form
• Invariant polynomial
• Invariants of tensors

K

• Kempf–Ness theorem
• Kostant polynomial

L

• Littlewood–Richardson rule

M

• Modular invariant theory
• Moduli space
• Molien's formula

N

• Newton's identities
• Nullform

O

• Osculant

P

• Perpetuant
• Polynomial ring

Q

• Quantum invariant
• Quaternary cubic
• Quippian

R

• Radical polynomial
• Reynolds operator
• Riemann invariant
• Ring of symmetric functions

S

• Schur polynomial
• Semi-invariant of a quiver
• Standard monomial theory
• Symbolic method

T

• Ternary cubic
• Ternary quartic
• Trace identity
• Transvectant

V

• Vermeil's theorem

Y

• Young–Deruyts development

Z

• Zariski's finiteness theorem