Abstract
It is shown how a renormalized perturbation series can be defined for a theory with strictly local, non-polynomial, interacting Lagrangian
so as to preserve locality at every order.
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References
Epstein, H., Glaser, V.: CERN preprint TH 1156 reprinted in Vol. 11 of “Prépublications de la RCP no 25” (Strasbourg 1970) and to appear in the proceedings of the 1970 Les Houches Summer School. Also: CERN preprint TH 1400 to appear.
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Epstein, H., Glaser, V. Renormalization of non polynomial Lagrangians in Jaffe's class. Commun.Math. Phys. 27, 181–194 (1972). https://doi.org/10.1007/BF01645691
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DOI: https://doi.org/10.1007/BF01645691