Speaker
Sebastian Mizera
(Perimeter Institute for Theoretical Physics)
Description
Landau analysis aims to predict the singularity structure of Feynman integrals without their explicit evaluation. We point out a number of errors in its textbook formulation that prevented applications to the Standard Model processes in the past. After resolving these issues, we use a combination of tropical analysis and numerical algebraic geometry to implement an algorithm that classifies and consistently finds all possible singularities of multi-loop Feynman integrals.
