  The Yang-Mills-Higgs equations (Y-M-H), when written relative to Lorenz
gauge, become a system of nonlinear wave equations. The key bilinear terms in
the resulting system turn out to be null forms--this is in light of a recent
discovery of null structure by Selberg and the present author for Yang-Mills
equations in Lorenz gauge. Using the null structure found and bilinear
space-time estimates, we prove local well-posedness of Y-M-H in Lorenz gauge
for finite energy data.
