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Title:
Exceptional field theory loop amplitudes

Speaker:
Guillaume Bossard

Abstract:
I will discuss automorphic properties of the low energy type II string theory effective action from the point of view of exceptional field theory. The threshold functions that appear are defined as manifestly G(Z) invariant sums, although they are not automorphic in general. I will exhibit the differential equations they satisfy and how the latter determine their wave front set.

Link:
http://scgp.stonybrook.edu/video_portal/video.php?id=2762

Workshop:
Simons- Workshop: Automorphic forms, mock modular forms and string theory