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Summary:
Reflection Groups on the Octave Hyperbolic Plane
Daniel Allcock*
4 August 1997
allcock@math.utah.edu
Department of Mathematics
University of Utah
Salt Lake City, UT 84112.
1991 mathematics subject classification: 22E40; secondary: 11F06, 17C40, 53C3*
*5.
Abstract.
For two different integral forms K of the exceptional Jordan algebra we show *
*that AutK is gener-
ated by octave reflections. These provide `geometric' examples of discrete re*
*flection groups acting
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