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A power counting theorem for Feynman integrals on the lattice

. Communications in Mathematical Physics, 116 (1): 81--126 (1988)

Abstract

A convergence theorem is proved, which states sufficient conditions for the existence of the continuum limit for a wide class of Feynman integrals on a space-time lattice. A new kind of a UV-divergence degree is introcduced, which allows the formulation of the theorem in terms of power counting conditions. ER -

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