Physics and Mathematics of Scattering Amplitudes Program: Associated Publications
Stephan Stieberger and Tomasz R. Taylor: Closed String Amplitudes as Single-Valued Open String Amplitudes http://arxiv.org/abs/arXiv:1401.1218
Stephan Stieberger and Tomasz R. Taylor: Closed String Amplitudes as Single-Valued Open String Amplitudes http://arxiv.org/abs/arXiv:1401.1218