Structure of Amplitudes in Gravity I Lagrangian Formulation of Gravity, Tree amplitudes, Helicity Formalism, Amplitudes in Twistor Space, New techniques.
SQG4 - Perturbative and Non-Perturbative Aspects of String Theory and Supergravity Marcel Grossmann -- Paris Niels Emil Jannik Bjerrum-Bohr Niels Bohr.
Structure of Amplitudes in Gravity II Unitarity cuts, Loops, Inherited properties from Trees, Symmetries Playing with Gravity - 24 th Nordic Meeting Gronningen.
Niels Emil Jannik Bjerrum-Bohr Niels Bohr International Academy Niels Bohr Institute
