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一个次椭圆偏微分方程的显式基本解
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作者 罗学波 《科学技术与工程》 2002年第5期68-69,共2页
设k为大于1的正整数,考虑C×R上的复向量场()其中常数α∈C.[,]为交换子(李括号)定理:
关键词 次椭圆偏微分方程 显式基本解 交换子 发散积分
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REITERATED HOMOGENIZATION OF DEGENERATE NONLINEAR ELLIPTIC EQUATIONS
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作者 J.BYSTRM J.ENGSTRM P.WALL 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2002年第3期325-334,共10页
The authors study homogenization of some nonlinear partial differential equations of the form -div (?(hx, h2x,Duh)) =f, where a is periodic in the first two arguments and monotone in the third. In particular the case ... The authors study homogenization of some nonlinear partial differential equations of the form -div (?(hx, h2x,Duh)) =f, where a is periodic in the first two arguments and monotone in the third. In particular the case where a satisfies degenerated structure conditions is studied. It is proved that uh converges weakly in W01,1 (?) to the unique solution of a limit problem as h ? '. Moreover, explicit expressions for the limit problem are obtained. 展开更多
关键词 HOMOGENIZATION Reiterated MONOTONE Degenerated
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