View source for Wiki143:WikiProject Mathematics/PlanetMath Exchange/83-XX Relativity and gravitational theory

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{{Planetmath instructions|topic=83-XX Relativity and gravitational theory}}

==83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)==

* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=6757 Einstein field equations], id=6757 -- WP guess: [[Einstein field equations]] -- Status: '''A'''
::WP article includes everything in the PM article and more.  [[User:Bjcairns|Ben Cairns]] 16:13, 11 April 2006 (UTC)

* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=6758 Ricci tensor], id=6758 -- WP guess: [[Ricci tensor]] -- Status: '''NM'''
:: No expert on the subject but there seems to be more in this PM article than can be found in the WP article.  [[User:Bjcairns|Ben Cairns]] 16:13, 11 April 2006 (UTC)

==83Cxx General relativity==