Carlos Mafra (AEI Potsdam)
In this talk I will present recent results of superstring
scattering amplitudes obtained with the pure spinor formalism. In particular,
I will show how the simplifying features of the formalism allowed a
first principles computation of the overall coefficient of the
full supersymmetric 4-pt amplitude at 2-loops, something which could not
be done to this date with the other formalisms.
Arnold Sommerfeld Center