Feynman integrals and periods in configuration spaces
arXiv:1207.3544
Abstract
We describe differential forms representing Feynman amplitudes in configuration spaces of Feynman graphs, and regularization and evaluation techniques, for suitable chains of integration, that give rise to periods of mixed Tate motives.
arXiv comment54 pages, LaTeX, 1 PDF figure; v2: correction and expansion of section 4
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