• Conformal Vector Fields and Null Hypersurfaces 

      Atindogbé, Cyriaque; Olea, Benjamín (Springer, 2022-05-03)
      We give conditions for a conformal vector field to be tangent to a null hypersurface. We particularize to two important cases: a Killing vector field and a closed and conformal vector field. In the first case, we obtain a ...