Compute Distance To:
 Documents Indexed: 163 Publications since 1979 Reviewing Activity: 49 Reviews Co-Authors: 56 Co-Authors with 108 Joint Publications 1,214 Co-Co-Authors
all top 5

all top 5

### Serials

 31 Linear Algebra and its Applications 15 Linear and Multilinear Algebra 9 Proceedings of the American Mathematical Society 9 Mathematical Inequalities & Applications 7 Positivity 6 Studia Mathematica 5 Journal of Mathematical Analysis and Applications 5 Glasgow Mathematical Journal 5 Integral Equations and Operator Theory 4 Numerical Functional Analysis and Optimization 4 Journal of Operator Theory 4 ELA. The Electronic Journal of Linear Algebra 4 Annals of Functional Analysis 3 Bulletin of the Australian Mathematical Society 3 SIAM Journal on Matrix Analysis and Applications 3 International Journal of Mathematics 3 Complex Analysis and Operator Theory 2 Communications in Mathematical Physics 2 Letters in Mathematical Physics 2 Journal of Functional Analysis 2 Mathematics Seminar Notes 2 Publications of the Research Institute for Mathematical Sciences, Kyoto University 2 Results in Mathematics 2 Banach Journal of Mathematical Analysis 2 Advances in Operator Theory 1 Houston Journal of Mathematics 1 Journal of Mathematical Physics 1 Revue Roumaine de Mathématiques Pures et Appliquées 1 Rocky Mountain Journal of Mathematics 1 Acta Scientiarum Mathematicarum 1 Archiv der Mathematik 1 BIT 1 Bulletin of the London Mathematical Society 1 Canadian Mathematical Bulletin 1 Chinese Journal of Mathematics 1 Journal of Number Theory 1 Kyungpook Mathematical Journal 1 Mathematische Annalen 1 Mathematica Japonica 1 Mathematics Reports 1 Mathematica Scandinavica 1 Mathematische Zeitschrift 1 Pacific Journal of Mathematics 1 Publicationes Mathematicae 1 Tamkang Journal of Mathematics 1 Aequationes Mathematicae 1 Journal of the Australian Mathematical Society. Series A 1 Bollettino della Unione Matemàtica Italiana. Serie VII. A 1 Mediterranean Journal of Mathematics 1 Operators and Matrices
all top 5

### Fields

 135 Operator theory (47-XX) 72 Linear and multilinear algebra; matrix theory (15-XX) 15 Real functions (26-XX) 12 Functions of a complex variable (30-XX) 9 Functional analysis (46-XX) 3 Numerical analysis (65-XX) 3 Statistical mechanics, structure of matter (82-XX) 2 History and biography (01-XX) 2 Number theory (11-XX)

### Citations contained in zbMATH Open

137 Publications have been cited 1,882 times in 766 Documents Cited by Year
Improved Young and Heinz inequalities for matrices. Zbl 1180.15021
2010
On the singular values of a product of operators. Zbl 0704.47014
1990
Numerical radius inequalities for Hilbert space operators. Zbl 1072.47004
2005
A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix. Zbl 1113.15302
2003
Notes on matrix arithmetic-geometric mean inequalities. Zbl 0974.15016
2000
Notes on some inequalities for Hilbert space operators. Zbl 0655.47009
1988
Reverse Young and Heinz inequalities for matrices. Zbl 1225.15022
2011
Matrix Young inequalities for the Hilbert-Schmidt norm. Zbl 0957.15018
2000
Norm inequalities for fractional powers of positive operators. Zbl 0895.47003
1993
Numerical radius inequalities for certain $$2 \times 2$$ operator matrices. Zbl 1238.47004
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2011
Norm inequalities for partitioned operators and an application. Zbl 0688.47005
1990
A note on the arithmetic-geometric-mean inequality for matrices. Zbl 0755.15008
1992
On the convexity of the Heinz means. Zbl 1230.47026
2010
Cartesian decomposition and numerical radius inequalities. Zbl 1322.47008
2015
Numerical radius inequalities for Hilbert space operators. II. Zbl 1130.47003
2007
Norm inequalities for certain operator sums. Zbl 0959.47005
1997
The matrix arithmetic-geometric mean inequality revisited. Zbl 1148.15014
2008
Numerical radius inequalities for $$n \times n$$ operator matrices. Zbl 1316.47005
2015
Bounds for the zeros of polynomials from matrix inequalities. Zbl 1037.30006
2003
Norm equalities and inequalities for operator matrices. Zbl 1153.47005
2008
Clarkson inequalities with several operators. Zbl 1071.47011
2004
Inequalities for commutators of positive operators. Zbl 1131.47009
2007
Estimates for the numerical radius and the spectral radius of the Frobenius companion matrix and bounds for the zeros of polynomials. Zbl 1298.47011
2014
Inequalities for the Schatten p-Norm. IV. Zbl 0612.47018
1986
On some operator inequalities. Zbl 0803.47019
1994
Norm inequalities for sums of positive operators. Zbl 1019.47011
2002
Upper and lower bounds for the numerical radius with an application to involution operators. Zbl 1339.47007
2015
A generalization of two refined Young inequalities. Zbl 1335.15029
2015
Norm inequalities for positive operators. Zbl 0912.47005
1998
Inequalities for the Schatten p-norm. V. Zbl 0627.47002
1987
Singular values of companion matrices and bounds on zeros of polynomials. Zbl 0819.15014
1995
Non-commutative Clarkson inequalities for unitarily invariant norms. Zbl 1054.47011
2002
Cartesian decompositions and Schatten norms. Zbl 0981.47008
2000
Norm inequalities for commutators of positive operators and applications. Zbl 1139.47009
2008
Non-commutative Clarkson inequalities for $$n$$-tuples of operators. Zbl 1155.47013
2008
Normal derivations in norm ideals. Zbl 0831.47036
1995
Improved arithmetic-geometric and Heinz means inequalities for Hilbert space operators. Zbl 1275.47038
Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip
2012
Commutator inequalities associated with the polar decomposition. Zbl 0992.15020
2002
Norm inequalities involving accretive-dissipative $$2\times 2$$ block matrices. Zbl 1398.15020
Gumus, Ibrahim Halil; Hirzallah, Omar; Kittaneh, Fuad
2017
Spectral radius inequalities for Hilbert space operators. Zbl 1081.47010
2006
On Lipschitz functions of normal operators. Zbl 0549.47006
1985
2015
A numerical radius inequality involving the generalized Aluthge transform. Zbl 1279.47015
2013
Smooth points of certain operator spaces. Zbl 0738.47042
1990
Numerical radius inequalities for commutators of Hilbert space operators. Zbl 1227.47003
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2011
A generalization of the numerical radius. Zbl 1475.47004
2019
Some norm inequalities for operators. Zbl 1003.47006
1999
Inequalities for accretive-dissipative matrices. Zbl 1411.15012
2019
Inequalities for sums and direct sums of Hilbert space operators. Zbl 1116.47012
2007
Norm inequalities for sums and differences of positive operators. Zbl 1063.47005
2004
Some inequalities for commutators and an application to spectral variation. Zbl 0752.47005
Bhatia, Rajendra; Davis, Chandler; Kittaneh, Fuad
1991
Norm inequalities for weighted power means of operators. Zbl 1017.47003
2002
Inequalities for the Schatten p-norm. III. Zbl 0595.47012
1986
Singular value inequalities for compact operators. Zbl 1263.47018
2012
Trace inequalities and a question of Bourin. Zbl 1305.15021
2013
The singular values of $$A+B$$ and $$A+iB$$. Zbl 1172.47011
2009
Interpolating inequalities related to a recent result of Audenaert. Zbl 1367.15027
2017
Schatten $$p$$-norm inequalities related to a characterization of inner product spaces. Zbl 1201.47013
2010
Numerical radius inequalities for $$2\times 2$$ operator matrices. Zbl 1267.47008
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2012
Lieb-Thirring trace inequalities and a question of Bourin. Zbl 1287.47011
2013
Commutators, pinchings, and spectral variation. Zbl 1147.15019
2008
Some inequalities for norms of commutators. Zbl 0877.15023
1997
Operators that are orthogonal to the range of a derivation. Zbl 0869.47015
1996
Numerical radius inequalities for operator matrices. Zbl 1169.47006
2009
Refined Heinz operator inequalities. Zbl 1278.47026
2013
Norm inequalities for commutators of self-adjoint operators. Zbl 1195.47008
2008
Problems and conjectures in matrix and operator inequalities. Zbl 1381.15008
2017
Inequalities for the Schatten p-norm. II. Zbl 0638.47004
1987
On the continuity of the absolute value map in the Schatten classes. Zbl 0676.47007
1989
Numerical radius inequalities for products and commutators of operators. Zbl 1354.47005
2015
Quadratic interpolation of the Heinz means. Zbl 1402.15016
2018
Bounds and a majorization for the real parts of the zeros of polynomials. Zbl 1113.15015
2007
Remarks on some norm inequalities for positive semidefinite matrices and questions of Bourin. Zbl 1362.15017
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2017
Some inequalities for commutators and an application to spectral variation. II. Zbl 0901.47012
Bhatia, Rajendra; Kittaneh, Fuad; Li, Ren-Cang
1997
Numerical radius inequalities for several operators. Zbl 1290.47006
2014
Singular values, norms, and commutators. Zbl 1188.47018
2010
On normal derivations of Hilbert-Schmidt type. Zbl 0631.47023
1987
On some perturbation inequalities for operators. Zbl 0659.47016
1988
Norm inequalities for sums of positive operators. II. Zbl 1127.47010
2006
On generalized Fuglede-Putnam theorems of Hilbert-Schmidt type. Zbl 0521.47014
1983
Bounds for the zeros of polynomials from matrix inequalities. II. Zbl 1108.30006
2007
Refinements and reverses of means inequalities for Hilbert space operators. Zbl 1276.47021
Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip; Hirzallah, Omar
2013
On the Ando-Hiai-Okubo trace inequality. Zbl 1389.15043
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2017
Interpolating inequalities for functions of positive semidefinite matrices. Zbl 1397.15017
2018
Some perturbation inequalities for self-adjoint operators. Zbl 0928.47010
1994
On some equivalent metrics for bounded operators on Hilbert space. Zbl 0721.47013
1990
On zero-trace matrices. Zbl 0724.15015
1991
Singular value inequalities for commutators of Hilbert space operators. Zbl 1162.47010
2009
Estimates for the real and imaginary parts of the eigenvalues of matrices and applications. Zbl 1361.15021
Gumus, Ibrahim Halil; Hirzallah, Omar; Kittaneh, Fuad
2016
On numerical radius inequalities for operator matrices. Zbl 07065338
2019
On the structure of polynomially normal operators. Zbl 0559.47018
1984
Inequalities for the Schatten p-norm. Zbl 0578.47005
1985
Eigenvalue inequalities for differences of means of Hilbert space operators. Zbl 1248.47019
Hirzallah, Omar; Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip
2012
Norm inequalities for commutators of normal operators. Zbl 1266.47037
2009
Trace inequalities for positive semidefinite block matrices. Zbl 1365.15026
2017
Norm and numerical radius inequalities for Hilbert space operators. Zbl 07333203
2021
Eigenvalues of symmetrizable matrices. Zbl 0898.15015
Bhatia, Rajendra; Kittaneh, Fuad; Li, Ren-Cang
1998
On the normality of operator products. Zbl 0777.47017
1991
Approximation by positive operators. Zbl 0830.47009
1992
Norm inequalities related to the arithmetic-geometric mean inequalities for positive semidefinite matrices. Zbl 1401.15019
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2018
Unitarily invariant norm inequalities for positive semidefinite matrices. Zbl 1478.15027
2022
Norm and numerical radius inequalities for Hilbert space operators. Zbl 07333203
2021
Numerical radii of accretive matrices. Zbl 1471.15017
Bedrani, Yassine; Kittaneh, Fuad; Sababheh, Mohammed
2021
Refined and generalized numerical radius inequalities for $$2 \times 2$$ operator matrices. Zbl 1466.15017
2021
From positive to accretive matrices. Zbl 1480.15021
2021
On $$\mathbb{A}$$-numerical radius equalities and inequalities for certain operator matrices. Zbl 07376590
2021
On the weighted geometric mean of accretive matrices. Zbl 1462.15022
Bedrani, Yassine; Kittaneh, Fuad; Sababheh, Mohammed
2021
Norm inequalities for positive semi-definite matrices and a question of Bourin. II. Zbl 1475.15026
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2021
Unitarily invariant norm inequalities for functions of accretive-dissipative $$2\times 2$$ block matrices. Zbl 1465.15026
Bourahli, Amel; Hirzallah, Omar; Kittaneh, Fuad
2021
New norm equalities and inequalities for certain operator matrices. Zbl 07284501
Bani-Domi, Watheq; Kittaneh, Fuad; Shatnawi, Mutaz
2020
Cauchy-Schwarz type inequalities and applications to numerical radius inequalities. Zbl 07284506
2020
Bounds for the eigenvalues of monic matrix polynomials from numerical radius inequalities. Zbl 1450.15021
2020
Rajendra Bhatia and his mathematical achievements. Zbl 1444.01019
Ando, Tsuyoshi; Davis, Chandler; Jain, Tanvi; Kittaneh, Fuad; Moslehian, Mohammad Sal; Spitkovsky, Ilya M.
2020
A generalization of the numerical radius. Zbl 1475.47004
2019
Inequalities for accretive-dissipative matrices. Zbl 1411.15012
2019
On numerical radius inequalities for operator matrices. Zbl 07065338
2019
Numerical radius inequalities involving commutators of $$G_{1}$$ operators. Zbl 1480.47010
2019
Hilbert-Schmidt numerical radius inequalities for operator matrices. Zbl 1454.47007
2019
Norm inequalities involving convex and concave functions of operators. Zbl 07089815
2019
Quadratic interpolation of the Heinz means. Zbl 1402.15016
2018
Interpolating inequalities for functions of positive semidefinite matrices. Zbl 1397.15017
2018
Norm inequalities related to the arithmetic-geometric mean inequalities for positive semidefinite matrices. Zbl 1401.15019
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2018
Norm inequalities related to Clarkson inequalities. Zbl 1390.15064
2018
On some classical trace inequalities and a new Hilbert-Schmidt norm inequality. Zbl 1405.15027
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2018
Norm inequalities involving accretive-dissipative $$2\times 2$$ block matrices. Zbl 1398.15020
Gumus, Ibrahim Halil; Hirzallah, Omar; Kittaneh, Fuad
2017
Interpolating inequalities related to a recent result of Audenaert. Zbl 1367.15027
2017
Problems and conjectures in matrix and operator inequalities. Zbl 1381.15008
2017
Remarks on some norm inequalities for positive semidefinite matrices and questions of Bourin. Zbl 1362.15017
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2017
On the Ando-Hiai-Okubo trace inequality. Zbl 1389.15043
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2017
Trace inequalities for positive semidefinite block matrices. Zbl 1365.15026
2017
Norm inequalities for positive semidefinite matrices and a question of Bourin. Zbl 1392.15031
Hayajneh, Mostafa; Hayajneh, Saja; Kittaneh, Fuad
2017
Unitarily invariant norm inequalities for elementary operators involving $$G_{1}$$ operators. Zbl 1409.15012
2017
Singular value and norm inequalities associated with $$2\times 2$$ positive semidefinite block matrices. Zbl 1375.15032
2017
Further generalizations, refinements, and reverses of the Young and Heinz inequalities. Zbl 1375.26041
2017
Estimates for the real and imaginary parts of the eigenvalues of matrices and applications. Zbl 1361.15021
Gumus, Ibrahim Halil; Hirzallah, Omar; Kittaneh, Fuad
2016
Norm inequalities for commutators of $$G_1$$ operators. Zbl 1354.47012
2016
Bounds and majorization relations for the zeros of a class of Fibonacci-type polynomials. Zbl 1367.11025
2016
The limit of the zero set of polynomials of the Fibonacci type. Zbl 1405.11012
2016
Cartesian decomposition and numerical radius inequalities. Zbl 1322.47008
2015
Numerical radius inequalities for $$n \times n$$ operator matrices. Zbl 1316.47005
2015
Upper and lower bounds for the numerical radius with an application to involution operators. Zbl 1339.47007
2015
A generalization of two refined Young inequalities. Zbl 1335.15029
2015
2015
Numerical radius inequalities for products and commutators of operators. Zbl 1354.47005
2015
Generalized spectral radius and norm inequalities for Hilbert space operators. Zbl 1336.47010
2015
Estimates for the numerical radius and the spectral radius of the Frobenius companion matrix and bounds for the zeros of polynomials. Zbl 1298.47011
2014
Numerical radius inequalities for several operators. Zbl 1290.47006
2014
Eigenvalue localization for complex matrices. Zbl 1326.15015
Gümüş, Ibrahim Halil; Hirzallah, Omar; Kittaneh, Fuad
2014
Numerical radius inequalities for products of Hilbert space operators. Zbl 1389.47014
2014
A numerical radius inequality involving the generalized Aluthge transform. Zbl 1279.47015
2013
Trace inequalities and a question of Bourin. Zbl 1305.15021
2013
Lieb-Thirring trace inequalities and a question of Bourin. Zbl 1287.47011
2013
Refined Heinz operator inequalities. Zbl 1278.47026
2013
Refinements and reverses of means inequalities for Hilbert space operators. Zbl 1276.47021
Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip; Hirzallah, Omar
2013
Improved arithmetic-geometric and Heinz means inequalities for Hilbert space operators. Zbl 1275.47038
Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip
2012
Singular value inequalities for compact operators. Zbl 1263.47018
2012
Numerical radius inequalities for $$2\times 2$$ operator matrices. Zbl 1267.47008
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2012
Eigenvalue inequalities for differences of means of Hilbert space operators. Zbl 1248.47019
Hirzallah, Omar; Kittaneh, Fuad; Krnić, Mario; Lovričević, Neda; Pečarić, Josip
2012
Reverse Young and Heinz inequalities for matrices. Zbl 1225.15022
2011
Numerical radius inequalities for certain $$2 \times 2$$ operator matrices. Zbl 1238.47004
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2011
Numerical radius inequalities for commutators of Hilbert space operators. Zbl 1227.47003
Hirzallah, Omar; Kittaneh, Fuad; Shebrawi, Khalid
2011
Improved Young and Heinz inequalities for matrices. Zbl 1180.15021
2010
On the convexity of the Heinz means. Zbl 1230.47026
2010
Schatten $$p$$-norm inequalities related to a characterization of inner product spaces. Zbl 1201.47013
2010
Singular values, norms, and commutators. Zbl 1188.47018
2010
Jensen matrix inequalities and direct sums. Zbl 1205.15035
Bourin, Jean-Christophe; Hirzallah, Omar; Kittaneh, Fuad
2010
The singular values of $$A+B$$ and $$A+iB$$. Zbl 1172.47011
2009
Numerical radius inequalities for operator matrices. Zbl 1169.47006
2009
Singular value inequalities for commutators of Hilbert space operators. Zbl 1162.47010
2009
Norm inequalities for commutators of normal operators. Zbl 1266.47037
2009
Bounds and majorization relations for the zeros of polynomials. Zbl 1163.15018
2009
The matrix arithmetic-geometric mean inequality revisited. Zbl 1148.15014
2008
Norm equalities and inequalities for operator matrices. Zbl 1153.47005
2008
Norm inequalities for commutators of positive operators and applications. Zbl 1139.47009
2008
Non-commutative Clarkson inequalities for $$n$$-tuples of operators. Zbl 1155.47013
2008
Commutators, pinchings, and spectral variation. Zbl 1147.15019
2008
Norm inequalities for commutators of self-adjoint operators. Zbl 1195.47008
2008
Numerical radius inequalities for Hilbert space operators. II. Zbl 1130.47003
2007
Inequalities for commutators of positive operators. Zbl 1131.47009
2007
Inequalities for sums and direct sums of Hilbert space operators. Zbl 1116.47012
2007
Bounds and a majorization for the real parts of the zeros of polynomials. Zbl 1113.15015
2007
Bounds for the zeros of polynomials from matrix inequalities. II. Zbl 1108.30006
2007
Spectral radius inequalities for Hilbert space operators. Zbl 1081.47010
2006
Norm inequalities for sums of positive operators. II. Zbl 1127.47010
2006
Some decomposition results for companion matrices. Zbl 1094.65033
2006
Numerical radius inequalities for Hilbert space operators. Zbl 1072.47004
2005
Clarkson inequalities with several operators. Zbl 1071.47011
2004
Norm inequalities for sums and differences of positive operators. Zbl 1063.47005
2004
A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix. Zbl 1113.15302
2003
Bounds for the zeros of polynomials from matrix inequalities. Zbl 1037.30006
2003
Norm inequalities for sums of positive operators. Zbl 1019.47011
2002
Non-commutative Clarkson inequalities for unitarily invariant norms. Zbl 1054.47011
2002
Commutator inequalities associated with the polar decomposition. Zbl 0992.15020
2002
Norm inequalities for weighted power means of operators. Zbl 1017.47003
2002
Notes on matrix arithmetic-geometric mean inequalities. Zbl 0974.15016
2000
Matrix Young inequalities for the Hilbert-Schmidt norm. Zbl 0957.15018
2000
Cartesian decompositions and Schatten norms. Zbl 0981.47008
2000
Some norm inequalities for operators. Zbl 1003.47006
1999
Norm inequalities for positive operators. Zbl 0912.47005
1998
Eigenvalues of symmetrizable matrices. Zbl 0898.15015
Bhatia, Rajendra; Kittaneh, Fuad; Li, Ren-Cang
1998
...and 37 more Documents
all top 5