Abstract
We study the hidden symmetries of the fermionic sector of D=11 supergravity, and the rôle of K(E10) as a generalised ‘R-symmetry’. We find a consistent model of a massless spinning particle on an E10/K(E10) coset manifold whose dynamics can be mapped onto the fermionic and bosonic dynamics of D=11 supergravity in the near space-like singularity limit. This E10-invariant superparticle dynamics might provide the basis of a new definition of M-theory, and might describe the ‘de-emergence’ of spacetime near a cosmological singularity.
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