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gr-qc2003★ 1 cited
Time machine (1988--2001)
S. Krasnikov
A very brief and popular account of the time machine problem.
gr-qc2003
The wormhole hazard
S. Krasnikov
To predict the outcome of (almost) any experiment we have to assume that our spacetime is globally hyperbolic. The wormholes, if they exist, cast doubt on the validity of this assu…
gr-qc2000
Toward a Traversable Wormhole
S. V. Krasnikov
In this talk I discuss pertinence of the wormholes to the problem of circumventing the light speed barrier and present a specific class of wormholes. The wormholes of this class ar…
gr-qc1997
Time Machines with Non-compactly Generated Cauchy Horizons and ``Handy Singularities"
S. V. Krasnikov
The use of "handy singularities" (i.e. singularities similar to those arising in the Deutch-Politzer space) enables one to avoid (almost) all known difficulties inherent usually to…