Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
quadratic forms over fields of characteristic 2
|
| gptkbp:describes |
equivalence classes of quadratic forms
|
| gptkbp:field |
gptkb:algebra
gptkb:topology |
| https://www.w3.org/2000/01/rdf-schema#label |
Arf invariant
|
| gptkbp:introducedIn |
1941
|
| gptkbp:namedAfter |
gptkb:Cahit_Arf
|
| gptkbp:relatedTo |
gptkb:Kervaire_invariant
gptkb:Witt_group gptkb:Milnor_conjecture |
| gptkbp:usedIn |
knot theory
cobordism theory |
| gptkbp:valueType |
element of Z/2Z
|
| gptkbp:bfsParent |
gptkb:Cahit_Arf
gptkb:Knot_cobordism_group gptkb:Knot_concordance_group |
| gptkbp:bfsLayer |
8
|