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Jan 8, 2011 at 11:20 vote accept FuriousDee
Jan 8, 2011 at 11:20
Jan 7, 2011 at 23:19 comment added FuriousDee that should read u with v
Jan 7, 2011 at 23:13 comment added FuriousDee This seems to help: I have the gromov product of u with b at a - b/2, and the cosh law gives cosh(b) = (1- cos($\alpha$))($cosh^{2}(\alpha)$) + cos($\alpha$) Would I be on the right lines here?
Jan 7, 2011 at 22:28 history answered Igor Rivin CC BY-SA 2.5