Search Results - "BAKHERAD, MOJTABA"

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  1. 1

    Berezin number inequalities for operators by Bakherad, Mojtaba, Garayev, Mubariz T.

    Published in Concrete operators (Warsaw, Poland) (01-04-2019)
    “…The Berezin transform of an operator , acting on the reproducing kernel Hilbert space ℋ = ℋ (Ω) over some (non-empty) set Ω, is defined by ) = 〉 , 〈 ( ∈ Ω),…”
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  2. 2

    New estimations for the Berezin number inequality by Bakherad, Mojtaba, Yamancı, Ulas

    Published in Journal of inequalities and applications (18-02-2020)
    “…In this paper, by the definition of Berezin number, we present some inequalities involving the operator geometric mean. For instance, it is shown that if X , Y…”
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  3. 3

    Normal Shape and Numerical Range of a Real 2-Toeplitz Tridiagonal Matrix by Lashkaripour, Rahmatollah, Bakherad, Mojtaba, Hajmohamadi, Monire

    “…In this paper, the structured distance in the Frobenius norm of a real irreducible tridiagonal 2-Toeplitz matrix T to normality is determined. In the first…”
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  4. 4

    Norm inequalities involving a special class of functions for sector matrices by Afraz, Davood, Lashkaripour, Rahmatollah, Bakherad, Mojtaba

    Published in Journal of inequalities and applications (01-05-2020)
    “…In this paper, we present some unitarily invariant norm inequalities for sector matrices involving a special class of functions. In particular, if Z = ( Z 11 Z…”
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  5. 5

    Extensions of interpolation between the arithmetic-geometric mean inequality for matrices by Bakherad, Mojtaba, Lashkaripour, Rahmatollah, Hajmohamadi, Monire

    “…In this paper, we present some extensions of interpolation between the arithmetic-geometric means inequality. Among other inequalities, it is shown that if A ,…”
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  6. 6

    Improvement of Furuta’s Inequality with Applications to Numerical Radius by Alomari, Mohammad W., Bakherad, Mojtaba, Hajmohamadi, Monire, Chesneau, Christophe, Leiva, Víctor, Martin-Barreiro, Carlos

    Published in Mathematics (Basel) (01-01-2023)
    “…In diverse branches of mathematics, several inequalities have been studied and applied. In this article, we improve Furuta’s inequality. Subsequently, we apply…”
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  7. 7

    Reverses of Ando’s and Hölder–McCarty’s inequalities by Hajmohamadi, Monire, Lashkaripour, Rahmatollah, Bakherad, Mojtaba

    “…In this paper, we give some reverse-types of Ando’s and Hölder–McCarthy’s inequalities for positive linear maps, and positive invertible operators. For this…”
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  8. 8

    Some Berezin Number Inequalities for Operator Matrices by Bakherad, Mojtaba

    Published in Czechoslovak mathematical journal (01-12-2018)
    “…The Berezin symbol à of an operator A acting on the reproducing kernel Hilbert space H = H ( Ω ) over some (nonempty) set is defined by A ∼ ( λ ) = ⟨ A k ^ λ ,…”
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  10. 10

    Refinements of a reversed AM-GM operator inequality by Bakherad, Mojtaba

    Published in Linear & multilinear algebra (01-09-2016)
    “…We prove some refinements of a reverse AM-GM operator inequality due to M. Lin [Studia Math. 2013;215:187-194]. In particular, we show the operator inequality…”
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  11. 11

    Some Reversed and Refined Callebaut Inequalities Via Kontorovich Constant by Bakherad, Mojtaba

    “…In this paper, we employ some operator techniques to establish some refinements and reverses of the Callebaut inequality involving the geometric mean and…”
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  12. 12

    A variational iteration method for solving nonlinear Lane–Emden problems by Ghorbani, Asghar, Bakherad, Mojtaba

    Published in New astronomy (01-07-2017)
    “…•A semi-analytical method for nonlinear Lane–Emden problems.•Includes adaptive step size and domain decomposition.•Overcomes the main difficulty arising in the…”
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  13. 13

    Improvements of Berezin number inequalities by Hajmohamadi, Monire, Lashkaripour, Rahmatollah, Bakherad, Mojtaba

    Published in Linear & multilinear algebra (02-06-2020)
    “…In this paper, we generalize several Berezin number inequalities involving product of operators, which acting on a Hilbert space . Among other inequalities, it…”
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  14. 14

    A New Family of Semi-Norms Between the Berezin Radius and the Berezin Norm by Bakherad, Mojtaba, Conde, Cristian, Kittaneh, Fuad

    Published in Acta applicandae mathematicae (01-08-2024)
    “…A functional Hilbert space is the Hilbert space ℋ of complex-valued functions on some set Θ ⊆ C such that the evaluation functionals φ τ ( f ) = f ( τ ) , τ ∈…”
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  15. 15

    Some extensions of the operator entropy type inequalities by Bakherad, Mojtaba, Morassaei, Ali

    Published in Linear & multilinear algebra (04-05-2019)
    “…In this paper, we define the generalised relative operator entropy and investigate some of its properties such as subadditivity and homogeneity. As application…”
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  16. 16

    Reverses and variations of Heinz inequality by Bakherad, Mojtaba, Moslehian, Mohammad Sal

    Published in Linear & multilinear algebra (03-10-2015)
    “…Let be positive definite matrices. We present several reverse Heinz-type inequalities, in particular where is an arbitrary matrix, is Hilbert-Schmidt norm and…”
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  17. 17

    Numerical Radius Inequalities Involving Commutators of G1 Operators by Bakherad, Mojtaba, Kittaneh, Fuad

    Published in Complex analysis and operator theory (01-06-2019)
    “…We prove numerical radius inequalities involving commutators of G 1 operators and certain analytic functions. Among other inequalities, it is shown that if A…”
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  18. 18

    Chebyshev type inequalities for Hilbert space operators by Moslehian, Mohammad Sal, Bakherad, Mojtaba

    “…We establish several operator extensions of the Chebyshev inequality. The main version deals with the Hadamard product of Hilbert space operators. More…”
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  19. 19

    A generalization of the Davis–Wielandt radius for operators by Alomari, Mohammad W., Bakherad, Mojtaba, Hajmohamadi, Monire

    “…In this work, we define a generalization of the Davis–Wielandt radius of Hilbert space operators for an arbitrary norm and obtain some applications for…”
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