scholarly journals A Putnam area inequality for the spectrum of n-tuples of p-hyponormal operators

1999 ◽  
Vol 41 (3) ◽  
pp. 385-391 ◽  
Author(s):  
B. P. Duggal
Keyword(s):  
Hyponormal Operators ◽  
Area Inequality

$M$ -hyponormal operators

1974 ◽  
Vol 41 (3) ◽  
pp. 655-660 ◽  
Author(s):  
Bhushan L. Wadhwa
Keyword(s):  
Hyponormal Operators

scholarly journals ANALYTIC EXTENSIONS OF M-HYPONORMAL OPERATORS

2016 ◽  
Vol 53 (1) ◽  
pp. 233-246
Author(s):  
SALAH MECHERI ◽  
FEI ZUO
Keyword(s):  
Hyponormal Operators

scholarly journals Quasi-posinormal operators

2010 ◽  
Vol 7 (3) ◽  
pp. 1282-1287
Author(s):  
Baghdad Science Journal
Keyword(s):  
Hilbert Space ◽  
Normal Operator ◽  
Basic Properties ◽  
Hyponormal Operators ◽  
The Relationship

In this paper, we introduce a class of operators on a Hilbert space namely quasi-posinormal operators that contain properly the classes of normal operator, hyponormal operators, M–hyponormal operators, dominant operators and posinormal operators . We study some basic properties of these operators .Also we are looking at the relationship between invertibility operator and quasi-posinormal operator .

scholarly journals Unitary dilation for polar decompositions of p-hyponormal operators

2005 ◽  
Author(s):  
Muneo Chō ◽  
Tadasi Huruya ◽  
Kôtarô Tanahashi
Keyword(s):  
Hyponormal Operators ◽  
Unitary Dilation

scholarly journals On p-quasi-hyponormal operators

2007 ◽  
Vol 422 (1) ◽  
pp. 331-340 ◽  
Author(s):  
B.P. Duggal ◽  
In Ho Jeon
Keyword(s):  
Hyponormal Operators
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