Name: Antidifferentiation and the Calculation of Feynman Amplitudes
Start: 2020-10-04T18:00:00+02:00
End: 2020-10-09T14:30:00+02:00
Location: DESY Zeuthen

Antidifferentiation and the Calculation of Feynman Amplitudes

from Sunday 4 October 2020 (18:00) to Friday 9 October 2020 (14:30)

Monday 28 September 2020
Tuesday 29 September 2020
Wednesday 30 September 2020
Thursday 1 October 2020
Friday 2 October 2020
Saturday 3 October 2020
Sunday 4 October 2020

Monday 5 October 2020
09:00
09:00 - 11:20
Room: Seminar Room III
Contributions

09:00 Analytic Integration Methods in QFT: an Introduction - Johannes Bluemlein (DESY)

10:10 Empirical determinations of Feynman integrals using integer relation algorithms - David Broadhurst (Open University)
11:20 Coffee
Coffee
11:20 - 11:50
Room: Seminar Room III
11:50 Monday morning
Monday morning
11:50 - 13:00
Room: Seminar Room III
Contributions

11:50 Holonomic relations for hypergeometric functions and modular forms - Peter Paule (RISC, Linz)
13:00 Lunch
Lunch
13:00 - 14:30
Room: Seminar Room III
14:30
14:30 - 15:40
Room: Seminar Room III
Contributions

14:30 Feynman Diagrams and (generalized) hypergeometric functions - M. Kalmykov (Hamburg)
15:40 Coffee
Coffee
15:40 - 16:10
Room: Seminar Room III
16:10 Monday afternoon
Monday afternoon
16:10 - 17:20
Room: Seminar Room III
Contributions

16:10 Hyperlogarithms: Differential and difference equations from linear fibrations - Erik Panzer (U. Oxford)
Tuesday 6 October 2020

09:00

09:00 - 11:15
Room: Seminar Room III

11:15 Lunch
Lunch
11:15 - 11:45
Room: Seminar Room III
13:00
13:00 - 15:20
Room: Seminar Room III
Contributions

13:00 Summation Theory and Integration - Carsten Schneider (RISC, Linz)

14:10 Holonomic Integration - C. Koutschan (RICAM, Linz)
15:20 Coffee
Coffee
15:20 - 15:50
Room: Seminar Room III
15:50 Tuesday afternoon
Tuesday afternoon
15:50 - 18:10
Room: Seminar Room III
Contributions

15:50 Survey on Integration by Parts - Peter Marquard (DESY)

17:00 Some steps towards improving IBP calculations - Jos Vermaseren (Nikhef)
Wednesday 7 October 2020
09:00
09:00 - 11:20
Room: Seminar Room III
Contributions

09:00 Outer Space as a combinatorial backbone for Cutkosky rules and co-actions - Dirk Kreimer (Humboldt U. Berlin)

10:10 Analytic solution of differential equation systems - Johannes Henn (MPI, Munich)
11:20 Coffee
Coffee
11:20 - 11:50
Room: Seminar Room III
11:50 Wednesday morning
Wednesday morning
11:50 - 13:00
Room: Seminar Room III
Contributions

11:50 Expansion by regions: an overview - Vladimir Smirnov (Moscow State U.)
13:00 Lunch
Lunch
13:00 - 14:30
Room: Seminar Room III
14:30
14:30 - 15:40
Room: Seminar Room III
Contributions

14:30 Calculating Four Loop Corrections in QCD - Sven-Olaf Moch (U. Hamburg)
15:40 Coffee
Coffee
15:40 - 16:10
Room: Seminar Room III
16:10 Wednesday afternoon
Wednesday afternoon
16:10 - 17:20
Room: Seminar Room III
Contributions

16:10 Differential Galois Theory and Integration - J.A. Weil (U. Limoges)
Thursday 8 October 2020
09:00
09:00 - 11:20
Room: Seminar Room III
Contributions

09:00 Top-down Decomposition: A Cut-based Approach to Integral Reductions - Hjalte Frellesvig (U. Padova)

10:10 Computer algebra tools for nested integrals - C. Raab (JKU Linz)
11:20 Coffee
Coffee
11:20 - 11:50
Room: Seminar Room III
11:50 Thursday morning
Thursday morning
11:50 - 13:00
Room: Seminar Room III
Contributions

11:50 Elliptic Integrals - Stefan Weinzierl (U. Mainz)
13:00 Lunch
Lunch
13:00 - 14:30
Room: Seminar Room III
14:30
14:30 - 15:40
Room: Seminar Room III
Contributions

14:30 A geometrical framework for amplitude recursions: bridging between trees - Johannes Broedel (Humboldt U. Berlin)
15:40 Coffee
Coffee
15:40 - 16:10
Room: Seminar Room III
16:10 Thursday afternoon
Thursday afternoon
16:10 - 17:20
Room: Seminar Room III
Contributions

16:10 The Almkvist-Zeilberger algorithm and multi-integration - Jakob Ablinger (RISC, Linz)
Friday 9 October 2020
09:00
09:00 - 10:10
Room: Seminar Room III
Contributions

09:00 Direct Integration for multi-leg amplitudes: Tips, Tricks, and When They Fail - Matthew von Hippel (Niels Bohr Institute)
10:10 Coffee
Coffee
10:10 - 10:40
Room: Seminar Room III
10:40 Friday morning
Friday morning
10:40 - 13:00
Room: Seminar Room III
Contributions

10:40 All-order amplitudes at any multiplicity in the multi-Regge limit - G. Papathanasiou (DESY)

11:50 The analytic structure of the 8-point amplitude in N=4 SYM - Joachim Bartels (U. Hamburg)
13:00 Lunch
Lunch
13:00 - 14:00
Room: Seminar Room III

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