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We investigate various aspects of higher-spin anti-de Sitter supergravity inthree dimensions as described by Chern-Simons theory based on thefinite-dimensional superalgebra sl(N |N - 1), with the particular case of N = 3as our prime example. This class of theories serves as a naturalsupersymmetrization of the higher-spin gravity theory based on sl(N)Chern-Simons theories. We demonstrate explicitly that the asymptotic symmetryalgebra contains the N = 2 superconformal algebra in each sector. Theappropriate Killing spinor equations are derived and used to classify existingand new classical solutions. We also discuss holonomy conditions, higher-spinblack holes and conical defect spacetimes in this class of theories.

Exploring Three-dimensional Higher-Spin Supergravity based on sl(N |N - 1) Chern-Simons theories