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2018-07-01
Multi-valued Feynman Graphs and Scattering Theory
Dirk Kreimer
文献摘要
We outline ideas to connect the analytic structure of Feynman amplitudes to the structure of Karen Vogtmann’s {\em Outer Space}. We focus on the role of cubical chain complexes in this context, and also investigate the bordification problem in the example of the 3-edge banana graph.
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