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ASYMPTOTIC FORMULAE OF EIGENVALUE-COUNTING FUNCTION FOR ELLIPTIC EIGENVALUE PROBLEMS ON A BOUNDED DOMAIN WITH A FRACTAL BOUNDARY
作者姓名:Minoru Yanagawa  王忠  孙炯
作者单位:Minoru Yanagawa(School of Dentistry,Nihon University,Tokyo,101,Japan)Wang Zhong(Dept. of Math.,Zhaoqing University,Zhaoqing 526061)Sun Jiong(Dept. of Math.,Inner Mongolia University,Hohhot 010021)
基金项目:The work was supported by the National Natural Science Foundation of China(1987103).
摘    要:IIntroductlonLet fi be a bounded open set In the n-dimensional Euclldean space R”withtheboundaryo0.In this paper,we shallessentiallydeal with thefollowingeigenvalue problem:,nD 一)。o…4km)螂川川J”人川川,x〔u,丸 人k=1\“’“)llillj=U.U b UI。where丸 meanso/axj,and we suPPose that coeaclents aj。(x),J;k= 1,2;…,。satisfy the following conditions:(1)aj。(x)is real function and belong to Cm(R”);(2)There exists an M>0;such that Iajk(x)l<M;;;k二 1,2,…,n;148 Ann ofDiff Eqs Vol…


ASYMPTOTIC FORMULAE OFEIGENVALUE-COUNTING FUNCTION FORELLIPTIC EIGENVALUE PROBLEMSON A BOUNDED DOMAIN WITHA FRACTAL BOUNDARY
Minoru Yanagawa.ASYMPTOTIC FORMULAE OF EIGENVALUE-COUNTING FUNCTION FOR ELLIPTIC EIGENVALUE PROBLEMS ON A BOUNDED DOMAIN WITH A FRACTAL BOUNDARY[J].微分方程年刊(英文版),2002(2).
Authors:Minoru Yanagawa
Abstract:In this paper, we shall treat the eigenvalue problems of certain second elliptic boun-dary problem on the bounded open set with a fractal boundary, and give the asymptoticdistribution of eigenvalues of second elliptic operator associated with the second ellipticboundary problem.
Keywords:eigenvalue  resolvent operator  eigenvalue counting-function
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