OaM-02-08 |
» Numerical Radius Inequalities for Square-zero and Idempotent Operators
(03/2008) |

OaM-03-17 |
» Numerical ranges of restricted shifts and unitary dilations
(06/2009) |

OaM-03-21 |
» Essentially hermitian matrices and inclusion relations of *C*-numerical ranges
(09/2009) |

JMI-03-35 |
» Characterization of the norm triangle equality in pre-Hilbert *C*^{✻}-modules and applications
(09/2009) |

OaM-04-07 |
» Limited approximation of numerical range of normal matrix
(03/2010) |

OaM-05-37 |
» Self-inversive matrix polynomials with semisimple spectrum on the unit circle
(09/2011) |

OaM-06-41 |
» The possible shapes of numerical ranges
(09/2012) |

OaM-07-11 |
» The numerical radii of weighted shift matrices and operators
(03/2013) |

OaM-07-28 |
» Numerical ranges and compressions of *S*_{n}-matrices
(06/2013) |

MIA-16-52 |
» Unitarily invariant norms related to the numerical radius on *B(H)*
(07/2013) |

OaM-07-48 |
» Matrices with defect index one
(12/2013) |

OaM-08-39 |
» Pre-images of boundary points of the numerical range
(09/2014) |

OaM-08-51 |
» The block numerical range of analytic operator functions
(12/2014) |

OaM-08-64 |
» Singular value inequalities for matrices with numerical ranges in a sector
(12/2014) |

OaM-09-04 |
» Algebraic properties of the set of operators with 0 in the closure of the numerical range
(03/2015) |

OaM-09-19 |
» C^{∗}-envelopes of Jordan operator systems
(06/2015) |

OaM-09-32 |
» An observation concerning boundary points of the numerical range
(09/2015) |

OaM-10-45 |
» The trace as an average over the unit sphere of a normed space with a 1-symmetric basis
(09/2016) |

OaM-10-49 |
» Crawford numbers of companion matrices
(12/2016) |

OaM-10-53 |
» Minkowski product of convex sets and product numerical range
(12/2016) |

OaM-10-58 |
» Pre-images of extreme points of the numerical range, and applications
(12/2016) |

OaM-11-12 |
» Numerical ranges of the product of operators
(03/2017) |

OaM-11-15 |
» On the normalized numerical range
(03/2017) |

OaM-11-18 |
» Pseudospectrum of an element of a Banach algebra
(03/2017) |

MIA-20-40 |
» Concave functions of partitioned matrices with numerical ranges in a sector
(04/2017) |

JMI-11-31 |
» Extension of determinantal inequalities of positive definite matrices
(06/2017) |

OaM-11-51 |
» Spectral sets for numerical range
(09/2017) |

OaM-11-62 |
» An observation about normaloid operators
(09/2017) |

OaM-11-69 |
» Lower bounds for the numerical radius
(12/2017) |

OaM-12-15 |
» On the block numerical range of operators on arbitrary Banach spaces
(03/2018) |

OaM-12-16 |
» Scalar approximants of quadratic operators with applications
(03/2018) |

JMI-12-19 |
» Maximal numerical range of a compact set and applications to some Dragomir's inequalities
(03/2018) |

MIA-21-75 |
» An extension of Hartfiel's determinant inequality
(10/2018) |

OaM-13-45 |
» A note on the maximal numerical range
(09/2019) |

OaM-13-72 |
» Constant norms and numerical radii of matrix powers
(12/2019) |

OaM-13-77 |
» On the maximal numerical range of a hyponormal operator
(12/2019) |

OaM-14-06 |
» Inverse continuity of the numerical range map for Hilbert space operators
(03/2020) |

OaM-14-07 |
» Operators with minimal pseudospectra and connections to normality
(03/2020) |

OaM-14-18 |
» On the numerical range and operator norm of *V*^{2}
(03/2020) |

OaM-14-62 |
» Topological properties of the block numerical range of operator matrices
(12/2020) |

OaM-15-26 |
» Numerical ranges encircled by analytic curves
(03/2021) |

MIA-24-71 |
» Numerical radius in Hilbert *C*^{✻}
(10/2021) |

OaM-15-93 |
» Maximal numerical range and quadratic elements in a *C*^{✻}-algebra
(12/2021) |

JMI-15-97 |
» On a reverse of the Tan-Xie inequality for sector matrices and its applications
(12/2021) |

OaM-16-24 |
» Determinantal polynomials of a weighted shift matrix with palindromic geometric weights
(06/2022) |

OaM-16-26 |
» Generalizing the Ando-Hiai inequality for sectorial matrices
(06/2022) |

JMI-16-92 |
» Numerical ranges of sum of two weighted composition operators on the Hardy space *H*^{2}
(12/2022) |

OaM-17-14 |
» Numerical ranges of some Foguel operators
(03/2023) |

OaM-17-63 |
» Spectral inclusion property for a class of block operator matrices
(12/2023) |

OaM-18-20 |
» On Ando-Hiai type inequalities for sectorial matrices
(06/2024) |

OaM-18-25 |
» Multiplicatively numerical range-preserving maps
(06/2024) |