Knowledge Management System of Institute of Theoretical Physics, CAS
Your requested [Notes on scattering amplitudes as differential forms] is currently limited to Institute of Theoretical Physics, Chinese Academy of Sciences internal sharing.
To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.