hi cos-top
Do there exist any hyperbolic multiply connected constant-curvature
compact spaces for which the fundamental domain is a cube (with flat
faces, of course) for some points in the space? Or is there a proof
that this is impossible?
We know that there are (at least) two such spherical spaces, that
Peter Kramer calls C_2 and C_3:
Kramer09: https://ui.adsabs.harvard.edu/#abs/2009PhyS...80b5902K/
Are there any hyperbolic ones?
Cheers
Boud
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