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We use a light-cone approach to solve the Schwinger-Dyson equation for thequark propagator. We show how this method can be used to solve the equationbeyond the space-like region, to which one is usually restricted with the usualEuclidean-space approach. We work in the Landau gauge, and use aninfrared-enhanced model for the gluon propagator and include instanton effectsto get both confinement and vacuum condensates. With our models, reasonablefits to known quantities are obtained, resulting in a light-cone quarkpropagator that can be used for hadronic physics at all momentum transfers.Comment: 23 pages, 10 figure

Light-cone representation of the quark Schwinger-Dyson equation