The differential equations for the Feynman amplitude of a single-loop graph with four vertices

DOI10.1007/BF01104888zbMath0404.35062OpenAlexW2092629275MaRDI QIDQ1256648

Valentina Golubeva, Viktor Z.Enol'skij

Publication date: 1978

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01104888

zbMATH Keywords

Hypergeometric FunctionFeynman Amplitude of a Single-Loop GraphLandau ManifoldSecond-Order Partial Differential EquationsSingular Symbols

Mathematics Subject Classification ID

Nonlinear initial, boundary and initial-boundary value problems for linear parabolic equations (35K60) A priori estimates in context of PDEs (35B45)

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Cites Work

• On the periods of certain rational integrals. I, II