103 citations · 175 across the 18 of their papers we have counts for
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math.DG2019
A new proof of a classical result on the topology of orientable connected and compact surfaces by means of the Bochner technique
J. M. Almira, A. Romero
As an application of the Bochner formula, we prove that if a -dimensional Riemannian manifold admits a non-trivial smooth tangent vector field then its Gauss curvature is th…
math.DG2019★ 9 cited
On uniqueness of the foliation by comoving observers restspaces of a Generalized Robertson Walker spacetime
José A. S. Pelegrín, Alfonso Romero, Rafael M. Rubio
A characterization of the foliation by spacelike slices of an -dimensional spatially closed Generalized Robertson-Walker spacetime is given by means of studying a natural me…