The Weyl equation has been used to study the interaction of a neutrino flux
with a plasma in a stellar medium. The derived basic nonlinear equations a
re solved numerically and analytically. Depending on the initial and bounda
ry conditions, soliton, shock front, and stabilized periodic explosive solu
tions, for free dissipation plasma, are obtained. (C) 1999 American Institu
te of Physics. [S1070-664X(99)00907-6].