This work is supported in part by NNSF of China(10571126);in part by Program for New Century Excellent Talents in University
In this article, the authors deal with the Cauchy problem of a nonlinear parabolic equation with variable density and absorption. By using energy methods, the authors prove that the interfaces can disappear in finite ...
This work is supported in part by NNSF of China(10571126)and in part by Program for New Century Excellent Talents in University.
Sufficient conditions are obtained for the oscillation of solutions of the systems of quasilinear hyperbolic differential equation with deviating arguments under nonlinear boundary condition.