MathGroup Archive 1997

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cover of Mathematica book (hyperbolic polyhedra)

  • To: mathgroup at
  • Subject: [mg5776] cover of Mathematica book (hyperbolic polyhedra)
  • From: arnold at (Peter Arnold)
  • Date: Sat, 18 Jan 1997 14:58:31 -0500
  • Organization: University of Washington
  • Sender: owner-wri-mathgroup at

Can someone tell me what the hyperbolic polyhedra on the cover of
the Mathematica book (2nd edition) and on pp. 34-5 are?  In particular,
are the spikes really finite, or is this just a graphical interpretation
of something infinite?  What's the equation?  Anyone have a referenence?

I ask because some plots I've generated of ceratin properties of
ultrarelativistic plasmas look exactly the same, and I'm wondering if
they are.  (In my case, I don't know what the explicit formula is --
it's the result of numerical integration of something complicated.)

                                       Peter Arnold
                                       arnold at

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