Twistors and Pertubative Gravity including work (2005) with Z Bern, S Bidder, E Bjerrum-Bohr, H Ita, W Perkins, K Risager From Twistors to Amplitudes 2005.
Theory @ SLAC: A Brief Tour 2004 SLUO Meeting J. Hewett Just what does a theorist do, anyway ???
UV structure of N=8 Supergravity Emil Bjerrum-Bohr, IAS Windows on Quantum Gravity 18 th June 08, UCLA Harald Ita, UCLA Warren Perkins Dave Dunbar, Swansea.
Twistors and Pertubative Gravity
UV structure of N=8 Supergravity
