E7 as D=10 space-time symmetry --- Origin of the twistor transform
Martin Cederwall
Abstract
Massless particle dynamics in D=10 Minkowski space is given an E7-covariant formulation, including both space-time and twistor variables. E7 contains the conformal algebra as a subalgebra. Analogous constructions apply to D=3,4 and 6.
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