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hep-th2026
Higher-spin self-dual gravity from holomorphic planes in twistor space
Nicolas Boulanger, Yannick Herfray, Lionel Mason +1
We prove a `nonlinear graviton theorem' for higher-spin self-dual gravity. We consider small deformations of the complex structure of the non-projective twistor space that are boun…
hep-th2026
The Self-Duality Equations on a Riemann Surface and Four-Dimensional Chern-Simons Theory
Roland Bittleston, Lionel Mason, Seyed Faroogh Moosavian
We construct a Lagrangian formulation of Hitchin's self-duality equations on a Riemann surface using potentials for the connection and Higgs field. This two-dimensional action…