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We propose supertwistor realisations of (p, q) anti-de Sitter (AdS) superspaces in three dimensions and N-extended AdS superspaces in four dimensions. For each superspace, we identify a two-point function that is invariant under the corresponding isometry supergroup. This two-point function is a supersymmetric extension (of a function) of the geodesic distance. We also describe a bi-supertwistor formulation for N-extended AdS superspace in four dimensions and harmonic/projective extensions of (p, q) AdS superspaces in three dimensions.
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1/01/20 → 31/12/23
1/01/18 → 9/10/20