René Pascal Klausen

Feynman integral relations from parametric annihilators

E. Panzer, C. Bogner, Thomas Bitoun, 2017, Letters in Mathematical Physics.

Hypergeometric series representations of Feynman integrals by GKZ hypergeometric systems

René Pascal Klausen, R. P. Klausen, 2019, 1910.08651.

Kinematic singularities of Feynman integrals and principal A-determinants

René Pascal Klausen, 2021, Journal of High Energy Physics.

The number of master integrals as Euler characteristic

E. Panzer, C. Bogner, Thomas Bitoun, 2018, Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2018).

Hypergeometric Feynman Integrals

René Pascal Klausen, 2023, 2302.13184.