PoS - Proceedings of Science
Volume 416 - Loops and Legs in Quantum Field Theory (LL2022) - Parallel 4
Computer Algebra,and Hypergeometric Structures for Feynman Integrals
J. Blümlein, M. Saragnese and C. Schneider*
Full text: pdf
Published on: October 20, 2022
We present recent computer algebra methods that support the calculations of (multivariate) series solutions for (certain coupled systems of partial) linear differential equations. The summand of the series solutions may be built by hypergeometric products and more generally by indefinite nested sums defined over such products. Special cases are hypergeometric structures such as Appell-functions or generalizations of them that arise frequently when dealing with parameter Feynman integrals.
DOI: https://doi.org/10.22323/1.416.0041
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