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Theory Seminar
# Intersection numbers & polynomial expansions

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Europe/Berlin

A.1.01/03 - Alps (New)

Description

I will present recent developments in the intersection-theory approach for the reduction to master integrals. In particular, I will focus on the novel method of p(z)-adic expansion which avoids the explicit appearance of non-rational poles in intermediate steps of the calculation. I will describe the implementation of a purely rational algorithm for computing intersection numbers over finite-fields using the framework FiniteFlow. Based on arXiv:2304.14336