Acta mathematica scientia,Series B ›› 1993, Vol. 13 ›› Issue (1): 102-110.

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EXISTENCE OF COUPLED WEAK QUASISOLUTIONS OF SYSTEMS OF QUASILINEAR ELLIPTIC BOUNDARY VALUE PROBLEMS

Yang Shixin   

  1. Dept. of Math., Xiamen Univ., Xiamen 361005, China
  • Received:1991-12-08 Online:1993-03-25 Published:1993-03-25
  • Supported by:
    This work is supported by National Natural Science Foundation.

Abstract: In this paper, we use the upper-lower solution method with the theory of monotone operators to obtain the existence of coupled weak quasi-solutions of the following boundary value problem for quasilinear elliptic system
-div Ai(x,▽ui(x))=Bi(x,u(x),▽ui(x)) xΩRn(n ≥ 2) ui(x)=gi(x) x∂Ω i=1,…,N.

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