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We classify supersymmetric solutions of D=5 (3,2) signature supergravity with either vanishing or imaginary gauge coupling constant preserving the minimal N=2 supersymmetry. We prove that the geometry of such solutions is characterized by a nilpotent integrable endomorphism, and obtain the necessary and sufficient conditions on the fluxes imposed by supersymmetry. We also construct examples of supersymmetric domain wall solutions for which the nilpotent integrable endomorphism is associated with a Killing-Yano 2-form, as well as a new descendant preon solution which preserves N=6 supersymmetry. This is notable as such N=6 descendant solutions do not exist in the standard signature D=5 supergravity.
Farotti et al. (Thu,) studied this question.