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引用
期刊论文
The Quasiapproximate (U+K)-Invariants of Essentially Normal Operators
Integr. Equ. Oper. Theory 50 (2004), 255-278,-0001,():
For a class of essentially normal operators, we characterize their norm closures of (U+K)-orbits. Moreover, we introduce a notion of the quasiapproximate (U+K)-equivalence of essentially normal operators and determine completely the quasiapproximate (U+K)-invariants. Finally, we give the canonical forms of essentially normal operators under this quasiap-proximate (U+K)-equivalence.
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