对角形椭圆型方程组广义解的最大模原理

MAXIMUM MODULUS PRINCIPLE FOR GENERALIZED SOLUTIONS OF ELLIPTIC SYSTEMS IN DIAGONAL FORM

证明了如下对角形椭圆型方程组ｘαａαβｘ，ｕ，ｕｕｉｘβ＝ｆｉｘ，ｕ，ｕｉ＝１，２，…，Ｎ广义解的最大模原理成立．

A maximum modulus principle is proved for generalized solutions of elliptic equations systems x α a αβ x,u,uu i x β =f i x,u,u,i=1,2,…,N in diagonal form under suitable conditions.