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Abstract:
Extending previous results, the authors construct two further versions of d=11 supergravity. The transformation laws are given in a form where the SO(1,10) local Lorentz group is replaced by SO(1,4)*USp(8) and SO(1,5)*(SO(5)*SO(5)), respectively. The spinless fields are assigned to the corresponding representations of E6(+6) and E5(+5).