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Interior regularity of weak solutions for polyharmonic equations
Author(s): 
Pages: 151-153,157
Year: Issue:  2
Journal: JOURNAL OF CENTRAL CHINA NORMAL UNIVERSITY(NATURAL SCIENCES)

Keyword:  内部正则性多重调和方程差分;
Abstract: 考虑如下的多重调和方程{(-△)ku=f(x),x∈Ω,u∈Hk0(Ω)的弱解的内部正则性.其中Ω是RN中的有界光滑区域,k是正整数,Hk0(Ω)是标准的Sobolev空间.对于一类函数f(x),利用差分方法得到了上述方程弱解的内部正则性,其结果也适用于一些非线性的多重调和方程.
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