alejandrito20 Posted June 15, 2010 Share Posted June 15, 2010 i need examplees of spacetimes where the ricci scalar is constant but nonzero . Particulary i search examples of line element. Link to comment Share on other sites More sharing options...
ajb Posted June 15, 2010 Share Posted June 15, 2010 [math]AdS_{n}[/math] and [math]dS_{n}[/math], (anti-de Sitter and de Sitter) these are the Lorentzian analogue of hyperbolic and spherical geometries respectively. Link to comment Share on other sites More sharing options...
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