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hep-th2025
Graviton scattering on self-dual black holes
Tim Adamo, Giuseppe Bogna, Lionel Mason +1
The computation of gravitational wave scattering on black hole spacetimes is an extremely hard problem, typically requiring approximation schemes that either treat the black hole p…
hep-th2025★ 1 cited
S-algebra in Gauge Theory: Twistor, Spacetime and Holographic Perspectives
Adam Kmec, Lionel Mason, Romain Ruzziconi +1
The celestial -algebra arose from a reinterpretation of collinear limits of the Yang-Mills S-matrix as OPEs in celestial holography. It was subsequently represented via asymptot…
hep-th2025
Chiral higher-spin theories from twistor space
Lionel Mason, Atul Sharma
We reformulate chiral higher-spin Yang-Mills and gravity on as 'CR-holomorphic' theories of Chern-Simons type; in the most general case, these are Moyal deformed to…