3 papers
hep-th2025
Analytic Regression of Feynman Integrals from High-Precision Numerical Sampling
Oscar Barrera, Aurélien Dersy, Rabia Husain +2
In mathematics or theoretical physics one is often interested in obtaining an exact analytic description of some data which can be produced, in principle, to arbitrary accuracy. Fo…
hep-th2024
The Collective Coordinate Fix
Arindam Bhattacharya, Jordan Cotler, Aurélien Dersy +1
Collective coordinates are frequently employed in path integrals to manage divergences caused by fluctuations around saddle points that align with classical symmetries. These coord…
hep-th2023
Reconstructing -matrix Phases with Machine Learning
Aurélien Dersy, Matthew D. Schwartz, Alexander Zhiboedov
An important element of the -matrix bootstrap program is the relationship between the modulus of an -matrix element and its phase. Unitarity relates them by an integral equat…