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VOLUME 57 (1993) | ISSUE 10 | PAGE 601
Topologically nontrivial nature of the universe in connection with the anisotropy of the background radiation
There is a correlation between the anisotropy of the background radiation and a possible topologically nontrivial nature of the universe. The discovery of a large-scale (quadrupole) anisotropy is utilized to derive a new limitation on a possible topological "radius" of the universe in the theory of an inflationary universe. This limitation is R > (2/e)RH=0J RH, where RH is the radius of the observable horizon.