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gr-qc2008
Shock Waves in Plane Symmetric Spacetimes
Alan D. Rendall, Fredrik Ståhl
We consider Einstein's equations coupled to the Euler equations in plane symmetry, with compact spatial slices and constant mean curvature time. We show that for a wide variety of…
gr-qc2000
On Imprisoned Curves and b-length in General Relativity
Fredrik Ståhl
This paper is concerned with two themes: imprisoned curves and the b-length functional. In an earlier paper by the author, it was claimed that an endless incomplete curve partially…
gr-qc2000
The Geometry of the Frame Bundle over Spacetime
Fredrik Ståhl
One of the known mathematical descriptions of singularities in General Relativity is the b-boundary, which is a way of attaching endpoints to inextendible endless curves in a space…