A ribbon graph derivation of the algebra of functional renormalization for random multi-matrices with multi-trace interactions

@article{PrezSnchez2021ARG,
  title={A ribbon graph derivation of the algebra of functional renormalization for random multi-matrices with multi-trace interactions},
  author={Carlos I. P{\'e}rez-S{\'a}nchez},
  journal={Letters in Mathematical Physics},
  year={2021},
  volume={112}
}
We focus on functional renormalization for ensembles of several (say n≥1\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$n\ge 1$$\end{document}) random matrices, whose potentials include multi-traces, to wit, the probability measure contains factors of the form exp[-Tr(V1)×⋯×Tr(Vk)]\documentclass[12pt]{minimal… 

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