326 citations · 2.3k across the 40 of their papers we have counts for
Showing 2001Show all
2 papers · 1 filter
gr-qc2001★ 7 cited
On the dual interpretation of zero-curvature Friedmann-Robertson-Walker models
L. Herrera, A. Di Prisco, J. Ibanez
Two possible interpretations of FRW cosmologies (perfect fluid or dissipative fluid)are considered as consecutive phases of the system. Necessary conditions are found, for the tran…
gr-qc2001★ 168 cited
Conformally flat anisotropic spheres in general relativity
L. Herrera, A. Di Prisco, J. Ospino +1
The condition for the vanishing of the Weyl tensor is integrated in the spherically symmetric case. Then, the resulting expression is used to find new, conformally flat, interior s…