Counterexample to the passive topological censorship of K(pi,1) prime factors
Gregory A. Burnett
Abstract
A globally hyperbolic asymptotically flat spacetime is presented (having non-negative energy density and pressures) that shows that not all K(pi,1) prime factors of the Cauchy surface topology are passively censored according to asymptotic observers in contradiction to an argument of Friedman, Schleich, and Witt.
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