摘要
应用上下解方法、截断函数方法并结合解的梯度的全局估计,得到了一类椭圆型方程Dirich-let问题正解的存在性(其中非线性项关于梯度的负增长不受任何限制).并把所得结果应用于相应的拟线性抛物型方程的混合问题,得到了解的整体存在性.
By subsolution and supersolution method and cutting function method,and the entire estima-tion of,the existence theorem is obtained for the Dirichlet problem of quasilinear eiliptic equa-tions, where nonlinearity is arbitrary incresing about.By applying this result,the entire solu-tion exists for quasilinear equation associated with parabolic type.
出处
《西北师范大学学报(自然科学版)》
CAS
1994年第1期9-13,共5页
Journal of Northwest Normal University(Natural Science)
关键词
拟线性
椭圆型方程
狄利克雷问题
quasilinear elliptic equation,subsolution and supersolution method, cutting functionmethod,entire estimation of,existence of solution