scholarly journals Some analytical properties of the spectra of normal operators in Hilbert spaces

1961 ◽  
Vol 37 (9) ◽  
pp. 566-570
Author(s):  
Sakuji Inoue
Keyword(s):  
Hilbert Spaces ◽  
Analytical Properties ◽  
Normal Operators

scholarly journals Joint spectra of commuting normal operators on Banach spaces

1988 ◽  
Vol 30 (3) ◽  
pp. 339-345 ◽  
Author(s):  
Muneo Chō
Keyword(s):  
Functional Analysis ◽  
Banach Spaces ◽  
Hilbert Spaces ◽  
Functional Calculus ◽  
Joint Spectrum ◽  
Normal Operators

The joint spectrum for a commuting n-tuple in functional analysis has its origin in functional calculus which appeared in J. L. Taylor's epoch-making paper [19] in 1970. Since then, many papers have been published on commuting n-tuples of operators on Hilbert spaces (for example, [3], [4], [5], [8], [9], [10], [21], [22]).

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