Integration-by-parts reductions from algebraic geometry
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If you have a question about this talk, please contact Francesco Coradeschi.
Integration-by-parts (IBP) reductions form the very core
of computations of multi-loop scattering amplitudes in QCD
and the electroweak theory, which are crucial for precision LHC
physics. In this talk I discuss a new and highly efficient
approach for generating the IBP reductions. The approach makes
use of ideas from modern unitarity and from algebraic geometry,
which I will explain. I then demonstrate the power of
the approach by performing fully analytically IBP reductions
relevant for two-loop five-gluon scattering in QCD
which are well beyond the capabilities of publicly available IBP solvers.
The slides of the presentation can be found here
This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.
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Kasper Larsen (University of Southampton)
Friday 02 November 2018, 16:00-17:00