The purpose of this paper is to generalize the self-duality equation by Tchrakian and Corrigan et al.Novel generalized self-duality equations on higher-dimensional spaces are discussed. This class of equations includes the usual self-duality equation for four-dimensional spaces. Some of the generalized self-duality equations over-determine configurations and the existence of solutions is not trivial. Several examples of solutions of the equations are demonstrated. As an application of the equations, it is proved that some of those solutions solve the equations of motion derived from rotationally invariant actions, which consist of single-trace terms and are second order in the time derivative.

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