Abstract
Singletons and twistors are unified from a group-theoretic point of view. In particular, singletons are described as the de Sitter analogue of twistors.
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Nakashima, M. Singletons and twistors. Lett Math Phys 16, 237–244 (1988). https://doi.org/10.1007/BF00398960
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DOI: https://doi.org/10.1007/BF00398960