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astro-ph2000
The "Swiss cheese" cosmological model has no extrinsic curvature discontinuity: A comment on the paper by G.A. Baker, Jr. (astro-ph/0003152)
Charles C. Dyer, Chris Oliwa
Contrary to a claim, the Schwarzschild solution insertion in an expanding universe model, the so called "Swiss cheese" model, does not possess an extrinsic curvature discontinuity.…
astro-ph1995
Rethinking the Model of Moving Cosmic Strings Producing Anisotropy in the Microwave Background
Francine R. Marleau, Charles C. Dyer, Jody H. Palmer
We re-analyze the issue of redshifts induced by a moving cosmic string by looking at moving sources and observers on a conical spacetime in a fully relativistic approach. By replac…