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by WildParser
1932 days ago
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I don't really know what those people in physics do, but as a mathematician my definition of a time-crystal would be a 4-dimensional discrete structure. You have some 4-dimensional symmetries. Just rotating in 3D is a bit boring. Interesting symmetries would be where you get the time-axis involved. 4D is most likely a bit boring - having more dimensions and more time-dimensions helps greatly to get more symmetries to work with... |
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