2 papers
hep-th2023
Structure of vertices in massless theories
S. Srednyak
We characterize the singularity set of massless theories by giving a complete set of the Landau polynomials. We find the general form of Gauss-Manin connection. We show that for ma…
hep-th2023
Gauss-Manin equations for propagators in the case of arbitrary masses
S. Srednyak
We derive the complete list of singularities of propagators in theories with arbitrary (complex) masses and for arbitrary diagram. We derive in a closed form differential equations…