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gr-qc2003
The light cone at infinity
Sean A. Hayward
A recent refinement of Penrose's conformal framework for asymptotically flat space-times is summarized. The key idea concerns advanced and retarded conformal factors, which allow a…
gr-qc2003★ 19 cited
Spatial and null infinity via advanced and retarded conformal factors
Sean A. Hayward
A new approach to space-time asymptotics is presented, refining Penrose's idea of conformal transformations with infinity represented by the conformal boundary of space-time. Gener…
gr-qc2003★ 1 cited
Recent progress in wormhole dynamics
Sean A. Hayward
Space-time wormholes were introduced in Wheeler's idea of space-time foam. Traversible wormholes as defined by Morris & Thorne became popular as potential short cuts across the uni…