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THE (U K)-ORBITS OF ESSENTIALLY NORMAL OPERATORS AND THEIR STRONG IRREDUCIBILITY
作者姓名:Ji Youqing  Jiang Chunlan
摘    要:§1.IntroductionLetTbealinear,boundedoperatoractingonacomplex,separable,infinitedimensionalHibertspaceH.Wecal(U+K)(T)={RTR-1,R...

收稿时间:1995/4/21 0:00:00
修稿时间:1997/3/13 0:00:00

THE (U+K)-ORBITS OF ESSENTIALLY NORMAL OPERATORS AND THEIR STRONG IRREDUCIBILITY
Ji Youqing,Jiang Chunlan.THE (U K)-ORBITS OF ESSENTIALLY NORMAL OPERATORS AND THEIR STRONG IRREDUCIBILITY[J].Chinese Annals of Mathematics,Series B,1998,19(2):217-228.
Authors:Ji Youqing and Jiang Chunlan
Institution:JI YOUQING * JIANG CHUNLAN *
Abstract:The authors characterize the (U K) orbits of a class essentially normal operators and prove that some essentially normal operators with connected spectrum are strongly irreducible after a small compact perturbation. This partially answers a question of Domigo A. Herrero.
Keywords:Strongly irreducible operator    Compact perturbation  Normal operator
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