Antidifferentiation and the Calculation of Feynman Amplitudes

Europe/Berlin
Seminar Room III (DESY Zeuthen)

Seminar Room III

DESY Zeuthen

DESY Zeuthen
Carsten Schneider (RISC, J. Kepler University Linz), Johannes Bluemlein (DESY), Peter Marquard (DESY), Sven-Olaf Moch (UHH), Volker Schomerus (DESY Theory Group)
Participants
  • Andreas Maier
  • Andrés Rentería
  • Aris Ioannou
  • Carsten Schneider
  • Christoph Dlapa
  • Christoph Koutschan
  • Claude Duhr
  • Clemens Raab
  • David Broadhurst
  • Dirk Kreimer
  • Einan Gardi
  • Elaine Wong
  • Erik Panzer
  • Georgios Papathanasiou
  • German Fabricio Roberto Sborlini
  • Germán Rodrigo
  • Henry Kißler
  • Hjalte Axel Frellesvig
  • Jacques-Arthur Weil
  • Jakob Ablinger
  • JESUS AGUILERA
  • Jochen Bartels
  • Johann Usovitsch
  • Johannes Bluemlein
  • Johannes Broedel
  • Johannes Henn
  • Jos Vermaseren
  • Judith Plenter
  • Marco Saragnese
  • Marko Berghoff
  • Matthew von Hippel
  • Mikhail Kalmykov
  • Nikolai Fadeev
  • Norma Selomit Ramírez Uribe
  • Paul-Hermann Balduf
  • Peter Marquard
  • Peter Paule
  • Philipp Kreer
  • Roger Hernández-Pinto
  • Ruth Britto
  • Samuel Abreu
  • Silviu Radu
  • Stefan Weinzierl
  • Stefano Laporta
  • Sven-Olaf Moch
  • Vladimir Smirnov
  • Volker Schomerus
    • Monday morning
      • 1
        Analytic Integration Methods in QFT: an Introduction
        Speaker: Prof. Johannes Bluemlein (DESY)
        Slides
      • 2
        Empirical determinations of Feynman integrals using integer relation algorithms
        Speaker: Dr David Broadhurst (Open University)
        Slides
    • 11:20 AM
      Coffee
    • Monday morning
      • 3
        Holonomic relations for hypergeometric functions and modular forms
        Speaker: Prof. Peter Paule (RISC, Linz)
        Slides
    • 1:00 PM
      Lunch
    • Monday afternoon
      • 4
        Feynman Diagrams and (generalized) hypergeometric functions
        Speaker: Dr M. Kalmykov (Hamburg)
        Slides
    • 3:40 PM
      Coffee
    • Monday afternoon
      • 5
        Hyperlogarithms: Differential and difference equations from linear fibrations
        Speaker: Dr Erik Panzer (U. Oxford)
        Slides
    • Tuesday morning
    • 11:15 AM
      Lunch
    • Tuesday afternoon
      • 6
        Summation Theory and Integration
        Speaker: Dr Carsten Schneider (RISC, Linz)
        Slides
      • 7
        Holonomic Integration
        Speaker: Dr C. Koutschan (RICAM, Linz)
        Slides
    • 3:20 PM
      Coffee
    • Tuesday afternoon
      • 8
        Survey on Integration by Parts
        Speaker: Dr Peter Marquard (DESY)
        Slides
      • 9
        Some steps towards improving IBP calculations
        Speaker: Dr Jos Vermaseren (Nikhef)
        Slides
    • Wednesday morning
      • 10
        Outer Space as a combinatorial backbone for Cutkosky rules and co-actions
        Speaker: Prof. Dirk Kreimer (Humboldt U. Berlin)
        Slides
      • 11
        Analytic solution of differential equation systems
        Speaker: Prof. Johannes Henn (MPI, Munich)
        Slides
    • 11:20 AM
      Coffee
    • Wednesday morning
      • 12
        Expansion by regions: an overview
        Speaker: Dr Vladimir Smirnov (Moscow State U.)
        Slides
    • 1:00 PM
      Lunch
    • Wednesday afternoon
      slides
      • 13
        Calculating Four Loop Corrections in QCD
        Speaker: Prof. Sven-Olaf Moch (U. Hamburg)
        Slides
    • 3:40 PM
      Coffee
    • Wednesday afternoon
      slides
      • 14
        Differential Galois Theory and Integration
        Speaker: Prof. J.A. Weil (U. Limoges)
    • Thursday morning
      • 15
        Top-down Decomposition: A Cut-based Approach to Integral Reductions
        Speaker: Dr Hjalte Frellesvig (U. Padova)
        Slides
      • 16
        Computer algebra tools for nested integrals
        Speaker: Dr C. Raab (JKU Linz)
        Slides
    • 11:20 AM
      Coffee
    • Thursday morning
      • 17
        Elliptic Integrals
        Speaker: Dr Stefan Weinzierl (U. Mainz)
        Slides
    • 1:00 PM
      Lunch
    • Thursday afternoon
      • 18
        A geometrical framework for amplitude recursions: bridging between trees
        Speaker: Dr Johannes Broedel (Humboldt U. Berlin)
        Slides
    • 3:40 PM
      Coffee
    • Thursday afternoon
      • 19
        The Almkvist-Zeilberger algorithm and multi-integration
        Speaker: Dr Jakob Ablinger (RISC, Linz)
        Slides
    • Friday morning
      • 20
        Direct Integration for multi-leg amplitudes: Tips, Tricks, and When They Fail
        Speaker: Dr Matthew von Hippel (Niels Bohr Institute)
        Slides
    • 10:10 AM
      Coffee
    • Friday morning
      • 21
        All-order amplitudes at any multiplicity in the multi-Regge limit
        Speaker: Dr G. Papathanasiou (DESY)
        Slides
      • 22
        The analytic structure of the 8-point amplitude in N=4 SYM
        Speaker: Prof. Joachim Bartels (U. Hamburg)
        Slides
    • 1:00 PM
      Lunch