• Homothetic perfect fluid spacetimes 

      Carot, Jaume; Sintes, A. M. (SABER ULA, 2008-07-02)
      Homothetic perfect fluid spacetimes (Carot, Jaume; Sintes, A. M.) Abstract A brief summary of results on homotheties in general relativity is given, including general information about spacetimes admitting an ...
    • Lie Groups of Conformal Motions acting on Null Orbits 

      Carot, Jaume; Coley, A. A.; Sintes, A. M. (SABER ULA, 2008-07-02)
      Lie Groups of Conformal Motions acting on Null Orbits (Carot, Jaume; Coley, A. A.; Sintes, A. M.) Abstract Space-times admitting a 3-dimensional Lie group of conformal motions acting on null orbits containing a ...
    • Self-similar static solutions admitting a 2-space of constant curvature 

      Carot, Jaume; Sintes, A. M. (SABER ULA, 2008-07-02)
      Self-similar static solutions admitting a 2-space of constant curvature (Carot, Jaume; Sintes, A. M.) Abstract A recent result by Haggag and Hajj-Boutros is reviewed within the framework of self-similar spacetimes, ...