Renormalized perturbation Theory: a missing chapter
Résumé
Renormalized perturbation theory \`a la BPHZ can be founded on causality as
analyzed by H. Epstein and V. Glaser in the seventies. Here, we list and
discuss a number of additional constraints of algebraic character some of which
have to be considered as parts of the core of the BPHZ framework.
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