Abstract
Feynman amplitudes in perturbative quantum field theory are being expressed in terms of an algebra of functions, extending the familiar logarithms, and associated numbers—periods. The study of these functions (including hyperlogarithms) and numbers (like the multiple zeta values), that dates back to Leibniz and Euler, has attracted anew the interest of algebraic geometers and number theorists during the last decades. The two originally independent developments are recently coming together in an unlikely collaboration between particle physics and what were regarded as the most abstruse branches of mathematics.
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Invited talk at the International Workshop “Supersymmetries and Quantum Symmetries” (SQS’2015), 3–8 August, 2015
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Todorov, I. Number theory meets high energy physics. Phys. Part. Nuclei Lett. 14, 291–297 (2017). https://doi.org/10.1134/S1547477117020339
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DOI: https://doi.org/10.1134/S1547477117020339