128 citations · 442 across the 24 of their papers we have counts for
Showing 2004 · gr-qcShow all
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gr-qc2004
On the viability of local criteria for chaos
Alberto Saa
We consider here a recently proposed geometrical criterion for local instability based on the geodesic deviation equation. Although such a criterion can be useful in some cases, we…
gr-qc2004
Conformal quantum effects and the anisotropic singularities of scalar-tensor theories of gravity
Edgard Gunzig, Alberto Saa
We show that the inclusion of a term in the action can remove the recently described anisotropic singularity occurring on the hypersurface of scalar-ten…