Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
differential operator
|
| gptkbp:actsOn |
vector fields
scalar fields |
| gptkbp:alsoKnownAs |
wave operator
|
| gptkbp:defines |
□ = ∂²/∂t² - ∇²
|
| gptkbp:dimensions |
four-dimensional spacetime
|
| https://www.w3.org/2000/01/rdf-schema#label |
d'Alembertian
|
| gptkbp:namedAfter |
gptkb:Jean_le_Rond_d'Alembert
|
| gptkbp:relatedTo |
gptkb:wave_equation
gptkb:Laplace_operator gptkb:Klein-Gordon_equation |
| gptkbp:symbol |
□
|
| gptkbp:usedIn |
gptkb:general_relativity
gptkb:special_relativity mathematical physics partial differential equations |
| gptkbp:bfsParent |
gptkb:Jean_le_Rond_d'Alembert
|
| gptkbp:bfsLayer |
6
|