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Cosmic topology in Greg Egan's Orthogonal Universe

However ... So ... You ask: This universe ... More details at http://www.gregegan.net/ORTHOGONAL/06/GRExtra.html
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10 votes
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Greg Egan's Orthogonal: Shape of the cosmos

Read the last section of this page, on Cauchy Data and Predictions. For the T4 universe, we found that if we had Cauchy data across the width of the universe at a single instant of time (where the ...
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