Clebsch–Aronhold invariants

E262451

The Clebsch–Aronhold invariants are classical algebraic invariants associated with binary forms, particularly quartic forms, that play a key role in invariant theory and the classification of algebraic curves.

All labels observed (1)

Label Occurrences
Clebsch–Aronhold invariants canonical 2

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf algebraic invariant ⓘ
classical invariant ⓘ
object in invariant theory ⓘ
appliesTo binary forms ⓘ
binary quartic forms ⓘ
associatedWith binary quartic representation of four-point configurations on P1 ⓘ
genus-one curves represented as double covers of the projective line ⓘ
j-invariant of elliptic curves ⓘ
assumes base field of characteristic not equal to 2 or 3 ⓘ
context 19th-century German school of algebra ⓘ
classical theory of binary forms ⓘ
degree 2 ⓘ
3 ⓘ
dependsOn coefficients of a binary quartic form ⓘ
field algebraic geometry ⓘ
classical algebra ⓘ
invariant theory ⓘ
hasComponent cubic invariant of a binary quartic ⓘ
quadratic invariant of a binary quartic ⓘ
introducedIn 19th century ⓘ
invariantUnder SL(2) action on binary quartic forms ⓘ
change of homogeneous coordinates on the projective line ⓘ
mathematicalDomain computational invariant theory ⓘ
representation theory of SL(2) ⓘ
namedAfter Alfred Clebsch ⓘ
Siegfried Aronhold ⓘ
property generate the algebra of invariants of binary quartic forms over characteristic 0 ⓘ
polynomial functions in the coefficients of the form ⓘ
remain unchanged under linear change of variables with determinant 1 ⓘ
relatedTo Hilbert basis of invariants ⓘ
Hilbert’s work on invariants ⓘ
absolute invariants of quartic forms ⓘ
covariants of binary forms ⓘ
discriminant of a binary quartic form ⓘ
projective linear group PGL(2) ⓘ
linked to: PSL(2,\mathbb{C})

symbolic method in invariant theory ⓘ
syzygies among invariants of binary forms ⓘ
usedFor classification of algebraic curves ⓘ
classification of binary quartic forms ⓘ
construction of moduli of binary quartics ⓘ
describing orbits of binary quartics under SL(2) ⓘ
distinguishing non-isomorphic quartic curves up to projective transformations ⓘ
expressing projective invariants of four points on the projective line ⓘ
study of projective equivalence classes of quartic forms ⓘ
usedIn classification of quartic polynomials up to linear fractional transformations ⓘ
construction of moduli space of binary quartics ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Alfred Clebsch → notableWork → Clebsch–Aronhold invariants ⓘ
Alfred Clebsch → notableConcept → Clebsch–Aronhold invariants ⓘ