证明了二阶完全非线性抛物方程初值和非线性一般边值问题解的存在定理，推广了Krylov和董光昌等人的工作。
The existence theorem for solution of initial and nonlinear general boundary value problems for fully nonlinear parabolic equations of second order is proved , this result extends works of Krylov and Dong Guangchang .
董光昌