HET seminar

"Analytic and Numerical Methods for Feynman Integrals"

Presented by Martijn Hidding, Uppsala University

Thursday, September 21, 2023, 11:00 am — Small Seminar Room, Bldg. 510

Abstract: I will review analytic methods for computing Feynman integrals, such as the use of multiple polylogarithms (MPLs) and elliptic multiple polylogarithms (eMPLs). I will then discuss alternative numerical approaches to computing Feynman integrals, based on series expansions along one-dimensional contours in phase-space. I will discuss the methods underlying the Mathematica package DiffExp, and future improvements, and discuss a numerical approach which relies on an iterative application of Feynman's trick for combining two propagators. This method provides an efficient numerical determination of the boundary conditions. Lastly, I will give some possibilities for future research directions.

Hosted by: Peter Denton

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