119 citations · 262 across the 11 of their papers we have counts for
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gr-qc2006
Orbifolds, Quantum Cosmology, and Nontrivial Topology
Helio V. Fagundes, Teofilo Vargas
In order to include nontrivial spatial topologies in the problem of quantum creation of a universe, it seems to be necessary to generalize the sum over compact, smooth 4-manifolds…
gr-qc2006★ 1 cited
The Energy of Bianchi Type I and II Universes in Teleparallel Gravity
Lau Loi So, T. Vargas
For certain models, the energy of the universe which includes the energy of both the matter and the gravitational fields is obtained by using the quasilocal energy-momentum in tele…