Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
congruence of geodesics
null geodesics timelike geodesics |
| gptkbp:describes |
evolution of expansion scalar
|
| gptkbp:field |
gptkb:general_relativity
|
| gptkbp:form |
dθ/dτ = - (1/3)θ² - σ_{ab}σ^{ab} + ω_{ab}ω^{ab} - R_{ab}u^a u^b
|
| https://www.w3.org/2000/01/rdf-schema#label |
Raychaudhuri equation
|
| gptkbp:introducedIn |
1955
|
| gptkbp:namedAfter |
gptkb:Amal_Kumar_Raychaudhuri
|
| gptkbp:publishedIn |
gptkb:Physical_Review
|
| gptkbp:relatedTo |
expansion
vorticity Ricci curvature shear |
| gptkbp:usedBy |
gptkb:Roger_Penrose
gptkb:Stephen_Hawking |
| gptkbp:usedIn |
gptkb:singularity_theorems
|
| gptkbp:bfsParent |
gptkb:energy_conditions
|
| gptkbp:bfsLayer |
5
|