RENORMALIZATION OF LIGHT-FRONT HAMILTONIAN FIELD-THEORY

We propose a regularization of light-front field theory which does not make a distinction between transverse and longitudinal coordinates. I t consists of a subtraction of low order terms in the Taylor expansion of an amplitude with respect to external momenta, similar to the regu larization in the BPKZ scheme, which has some advantages that do not e xist in covariant field theory. Instantaneous parts and other longitud inal singularities are automatically removed irrespective of their exp licit form. We argue therefore that these parts are meaningless. The l ocal counterterms are equal to those of covariant held theory. We demo nstrate the method in a number of examples, recovering the covariant r esults.