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Journal of Mathematical Analysis and Applications, ISSN 0022-247X, 06/2014, Volume 414, Issue 1, pp. 88 - 98
In this paper we consider a generalized conditional-type Hölder inequality and investigate some classical properties of multiplication conditional expectation... 
Compact operator | Conditional expectation | Orlicz space | Hölder inequality | Spectrum | MATHEMATICS | MATHEMATICS, APPLIED | Holder inequality
Journal Article
Positivity, ISSN 1385-1292, 03/2015, Volume 19, Issue 1, pp. 83 - 93
In this paper, some -classes of weighted conditional expectation type operators, such as -class, --class and quasi-- classes on are investigated. Also, the... 
Conditional expectation | Spectral radius | Polar decomposition | A-class | Point spectrum | Aluthage transformation | Spectrum | MATHEMATICS | ALGEBRAS | EXPECTATION OPERATORS | Studies | Mathematics
Journal Article
Complex Analysis and Operator Theory, ISSN 1661-8254, 3/2016, Volume 10, Issue 3, pp. 567 - 580
... Operators Y ousef Estaremi 1 Received: 18 June 2015 / Accepted: 26 September 2015 / Published online: 7 October 2015 © Springer Basel 2015 Abstract In this note... 
Conditional expectation | Operator Theory | 47B38 | 47B25 | Analysis | Polar decomposition | Unbounded operator | Mathematics, general | Mathematics | Spectrum | MATHEMATICS | MATHEMATICS, APPLIED
Journal Article
Positivity, ISSN 1385-1292, 3/2014, Volume 18, Issue 1, pp. 41 - 52
...Positivity (2014) 18:41–52 DOI 10.1007/s11117-013-0229-5 Positivity Essential norm of weighted conditional type operators on L p -spaces Y. Estaremi Received... 
Compact operator | Conditional expectation | Operator Theory | Fourier Analysis | Potential Theory | 47B47 | Calculus of Variations and Optimal Control; Optimization | Multiplication operators | Mathematics | Essential norm | Econometrics | MATHEMATICS | EXPECTATION OPERATORS
Journal Article
Filomat, ISSN 0354-5180, 1/2015, Volume 29, Issue 5, pp. 969 - 975
In this paper, we show that the generalized Aluthge transformations of a large class of operators (weighted conditional type operators) are normal. As a... 
Hilbert spaces | Function spaces | Algebra | Normal operators | Conditional expectation | Aluthge transformation | MATHEMATICS | MATHEMATICS, APPLIED | normal operators | CONDITIONAL-EXPECTATION OPERATORS
Journal Article
Journal of Mathematical Analysis and Applications, ISSN 0022-247X, 12/2014, Volume 420, Issue 1, pp. 118 - 123
We investigate compactness of weighted Lambert type operators between two Lp spaces. 
Compact operator | Multiplication operators | Conditional expectation | Aluthage transformation | Polar decomposition
Journal Article
Bulletin of the Iranian Mathematical Society, ISSN 1017-060X, 8/2019, Volume 45, Issue 4, pp. 997 - 1010
... and Related Operators on Bergman Spaces A. Aliyan 1 · Y. Estaremi 1 · A. Ebadian 2 Received: 7 May 2018 / Revised: 5 September 2018 / Accepted: 22 October 2018... 
Bergman space | Conditional expectation | Generalized Carleson measure | Mathematics, general | Conditional Carleson measure | Mathematics | Möbius transformation | MATHEMATICS | EXPECTATION OPERATORS | Mobius transformation
Journal Article
Filomat, ISSN 0354-5180, 2018, Volume 32, Issue 7, pp. 2693 - 2699
In this note, we give some results on the ascent and descent of multiplication and composition operators on Orlicz spaces. 
Lebesgue space | Orlicz space | Ascent | Multiplication operator | Descent | Composition operator | MATHEMATICS | descent | MATHEMATICS, APPLIED | composition operator | ascent | multiplication operator
Journal Article
Journal of Inequalities and Applications, ISSN 1025-5834, 12/2016, Volume 2016, Issue 1, pp. 1 - 18
Composition operators and multiplication operators between two Orlicz function spaces are investigated. First, necessary and sufficient conditions for their... 
composition operator | multiplication operator | Analysis | 46E30 | Mathematics, general | 47B33 | Mathematics | Applications of Mathematics | Orlicz spaces | MATHEMATICS | WEIGHTED COMPOSITION OPERATORS | COMPACT | MATHEMATICS, APPLIED | SYSTEMS | LORENTZ SPACES | Operators | Multiplication | Function space | Texts | Continuity | Orlicz space | Derivatives | Convergence
Journal Article
Mediterranean Journal of Mathematics, ISSN 1660-5446, 06/2017, Volume 14, Issue 3, p. 1
In this paper, we investigate boundedness, polar decomposition and spectral decomposition of weighted conditional expectation type operators on L-2 (Sigma).... 
spectral decomposition | Conditional expectation | polar decomposition | multiplication conditional expectation operators | spectral measure | MATHEMATICS | MATHEMATICS, APPLIED
Journal Article
Revista Matematica Complutense, ISSN 1139-1138, 05/2017, Volume 30, Issue 2, pp. 335 - 367
Journal Article
Positivity, ISSN 1385-1292, 11/2019, Volume 23, Issue 5, pp. 1165 - 1172
...Positivity (2019) 23:1165–1172 https://doi.org/10.1007/s11117-019-00658-4 Positivity Reducibility of WCE operators on L 2 (F ) Y. Estaremi 1 Received: 7... 
Reducing subspace | Operator Theory | Fourier Analysis | Invariant subspace | Potential Theory | 47A15 | Calculus of Variations and Optimal Control; Optimization | Conditional expectation operator | Mathematics | Econometrics | Sigma subalgebra
Journal Article
Operators and Matrices, ISSN 1846-3886, 03/2013, Volume 7, Issue 1, pp. 101 - 116
Journal Article
POSITIVITY, ISSN 1385-1292, 11/2019, Volume 23, Issue 5, pp. 1165 - 1172
In this paper we characterize the closed subspaces of L2(F) that reduce the operators of the form EAMu, in which A is a sigma- subalgebra of F. We show that... 
Reducing subspace | MATHEMATICS | Conditional expectation operator | Invariant subspace | Sigma subalgebra
Journal Article
Rocky Mountain Journal of Mathematics, ISSN 0035-7596, 2018, Volume 48, Issue 2, pp. 501 - 517
In this paper, we consider the algebra of WCE operators on L-P-spaces, and we investigate some algebraic properties of it. For instance, we show that the set... 
Conditional expectation operator | Commutator | Triangularizable algebra | Von Neumann algebras | Commutant | commutator | triangularizable algebra | MATHEMATICS | commutant
Journal Article
08/2018
In this paper we study some basic properties, like boundedness and closedness of range, of multiplication conditional expectation(MCE) operators between... 
Mathematics - Functional Analysis
Journal Article
FILOMAT, ISSN 0354-5180, 2017, Volume 31, Issue 7, pp. 1933 - 1940
In this paper, firstwe give some necessary and sufficient conditions for multiplication conditional type operators between two L-p-spaces to have closed range.... 
MATHEMATICS | Conditional expectation | MATHEMATICS, APPLIED | ESSENTIAL NORM | multiplication operators | Fredholm operators | closed range operator
Journal Article
Operators and Matrices, ISSN 1846-3886, 06/2017, Volume 11, Issue 2, pp. 337 - 346
In this paper, we investigate the spectral radius algebras related to the weighted conditional expectation operators on the Hilbert spaces L-2(F). We give a... 
Conditional expectation operator | Invariant subspace | Rank one operator | Spectral algebras | rank one operator | MATHEMATICS | spectral algebras | invariant subspace
Journal Article
Mediterranean Journal of Mathematics, ISSN 1660-5446, 8/2014, Volume 11, Issue 3, pp. 955 - 964
... Composition Lambert-Type Operators on L p Spaces Y. Estaremi and M. R. Jabbarzadeh Abstract. In this paper boundedness of a weighted composition Lamberttype operator... 
Conditional expectation | 47B47 | hyponormal operators | composition operators | Mathematics, general | Mathematics | multiplication operators
Journal Article
Publicationes Mathematicae, ISSN 0033-3883, 2016, Volume 88, Issue 1-2, pp. 79 - 91
In this paper, some sub-classes of paranormal weighted conditional type operators of the form MwEMu such as *-paranormal, quasi-*-paranormal and (n,... 
Point spectrum | Approximate point spectrum | Conditional expectation | Paranormal operators | Quasi-∗-paranormal operators | Spectrum | MATHEMATICS | quasi--paranormal operators | point spectrum | conditional expectation | paranormal operators | spectrum | approximate point spectrum
Journal Article
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