An Entity of Type: Abstraction100002137, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org

The Goldberg–Sachs theorem is a result in Einstein's theory of general relativity about vacuum solutions of the Einstein field equations relating the existence of a certain type of congruence with algebraic properties of the Weyl tensor. More precisely, the theorem states that a vacuum solution of the Einstein field equations will admit a shear-free null geodesic congruence if and only if the Weyl tensor is algebraically special. The theorem is often used when searching for algebraically special vacuum solutions.

Property Value
dbo:abstract
  • The Goldberg–Sachs theorem is a result in Einstein's theory of general relativity about vacuum solutions of the Einstein field equations relating the existence of a certain type of congruence with algebraic properties of the Weyl tensor. More precisely, the theorem states that a vacuum solution of the Einstein field equations will admit a shear-free null geodesic congruence if and only if the Weyl tensor is algebraically special. The theorem is often used when searching for algebraically special vacuum solutions. (en)
  • O teorema de Goldberg-Sachs é um resultado na teoria da relatividade geral sobre as soluções de vácuo das equações de campo de Einstein relacionadas a existência de um certo tipo de congruência com propriedades algébricas do tensor de Weyl. Mais precisamente, o teorema afirma que uma solução do vácuo das equações de campo de Einstein admitem um corte livre de congruência geodésica nula se e somente se o tensor Weyl é algebricamente especial. (pt)
dbo:wikiPageID
  • 3966497 (xsd:integer)
dbo:wikiPageLength
  • 6877 (xsd:nonNegativeInteger)
dbo:wikiPageRevisionID
  • 1120242585 (xsd:integer)
dbo:wikiPageWikiLink
dbp:wikiPageUsesTemplate
dcterms:subject
gold:hypernym
rdf:type
rdfs:comment
  • The Goldberg–Sachs theorem is a result in Einstein's theory of general relativity about vacuum solutions of the Einstein field equations relating the existence of a certain type of congruence with algebraic properties of the Weyl tensor. More precisely, the theorem states that a vacuum solution of the Einstein field equations will admit a shear-free null geodesic congruence if and only if the Weyl tensor is algebraically special. The theorem is often used when searching for algebraically special vacuum solutions. (en)
  • O teorema de Goldberg-Sachs é um resultado na teoria da relatividade geral sobre as soluções de vácuo das equações de campo de Einstein relacionadas a existência de um certo tipo de congruência com propriedades algébricas do tensor de Weyl. Mais precisamente, o teorema afirma que uma solução do vácuo das equações de campo de Einstein admitem um corte livre de congruência geodésica nula se e somente se o tensor Weyl é algebricamente especial. (pt)
rdfs:label
  • Goldberg–Sachs theorem (en)
  • Teorema de Goldberg-Sachs (pt)
owl:sameAs
prov:wasDerivedFrom
foaf:isPrimaryTopicOf
is dbo:wikiPageDisambiguates of
is dbo:wikiPageRedirects of
is dbo:wikiPageWikiLink of
is foaf:primaryTopic of
Powered by OpenLink Virtuoso    This material is Open Knowledge     W3C Semantic Web Technology     This material is Open Knowledge    Valid XHTML + RDFa
This content was extracted from Wikipedia and is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License