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A formal ``small tension'' expansion
of D =11 supergravity near a spacelike singularity
is shown to be equivalent, at least up to 30th order in height,
to a null geodesic motion in the infinite dimensional coset space
E_10/K(E_10), where K(E_10) is the maximal compact subgroup of the
hyperbolic Kac-Moody group E_10 (R).
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