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27–29 May 2026
Brookhaven National Laboratory
US/Eastern timezone

Reconstructing Landau Singularities over Finite Fields

27 May 2026, 17:40
20m
Physics Department (Bldg. 510), Large Seminar Room (Brookhaven National Laboratory)

Physics Department (Bldg. 510), Large Seminar Room

Brookhaven National Laboratory

Speaker

Giulio Crisanti

Description

We present a new method to find the branch structure of Euler/Mellin integrals using methods from algebraic geometry combined with finite fields arithmetic. When applied to the study of Feynman integrals, these branch points are the Landau singularities of the amplitude. We apply these methods to physically relevant diagrams out of reach of current technology.

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