Abstract
The renormalization in configuration space of a slight generalization of the Lee model is discussed, as an example of general procedures (1) which seem to be applicable also to more general cases than the present one. The replacement of ordinary with finite-part integrals removes consistently all ultraviolet infinities and permits to write the Lie equations of the renormalization group, the solution of which yields the familiar relations between unrenormalized and renormalized parameters.
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