Abstract
In ten dimensions, SO(8) triality encourages confusion between fermions ans bosons, but in eleven dimensions, SO(9) has no such features. Yet this is the domain of M — theory whose infrared limit is the divergent supergravity field theory. Curtright ascribes this divergence to an incomplete cancellation among the Dynkin indices between the supergravity representations. We speculate that an infinite number of the recently discovered Euler triplets, describing massless particles of higher spin, can cancel the divergences of eleven dimensional supergravity, perhaps providing a clue to M — theory.
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