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A criterion for normality of operators in Hilbert space

โœ Scribed by I. M. Spitkovskii


Publisher
Springer US
Year
1982
Tongue
English
Weight
244 KB
Volume
16
Category
Article
ISSN
0016-2663

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## Abstract In this paper we study linear fractional relations defined in the following way. Let โ„‹๏ธ~__i__~ and โ„‹๏ธ~__i__~ ^โ€ฒ^, __i__ = 1, 2, be Hilbert spaces. We denote the space of bounded linear operators acting from โ„‹๏ธ~__j__~ to โ„‹๏ธ~__i__~ ^โ€ฒ^ by __L__ (โ„‹๏ธ~__j__~ , โ„‹๏ธ~__i__~ ^โ€ฒ^). Let __T__ โˆˆ