282 citations · 2.7k across the 89 of their papers we have counts for
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gr-qc2018★ 1 cited
Constant-mean-curvature Slicing of the Swiss-cheese Universe
Chul-Moon Yoo, Ken-ichi Nakao
A sequence of Constant-Mean-Curvature(CMC) slices in the Swiss-Cheese(SC) Universe is investigated. We focus on the CMC slices which smoothly connect to the homogeneous time slices…
gr-qc2018★ 29 cited
On gravastar formation: What can be the evidence of a black hole?
Ken-ichi Nakao, Chul-Moon Yoo, Tomohiro Harada
Any observer outside black holes cannot detect any physical signal produced by the black holes themselves, since, by definition, the black holes are not located in the causal past…