OaM-01-24 |
» Higher-rank numerical ranges of unitary and normal matrices
(09/2007) |

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

OaM-02-16 |
» Higher-rank numerical range in infinite-dimensional Hilbert space
(06/2008) |

OaM-02-20 |
» Davis-Wielandt shells of operators
(09/2008) |

JMI-02-45 |
» Norm and numerical radius inequalities for a product of two linear operators in Hilbert spaces
(12/2008) |

JMI-03-01 |
» *Q*-norm inequalities for sequences of Hilbert space operators
(03/2009) |

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-04-05 |
» On operators with large self-commutators
(03/2010) |

OaM-04-14 |
» Operator radii and unitary operators
(06/2010) |

OaM-06-09 |
» Maps preserving peripheral spectrum of Jordan products of operators
(03/2012) |

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-07-16 |
» Numerical radius and distance from unitary operators
(06/2013) |

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

OaM-07-47 |
» Normal matrix compressions
(12/2013) |

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-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) |

MIA-18-68 |
» Numerical radius inequalities associated with the Cartesian decomposition
(07/2015) |

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

MIA-19-47 |
» A Fiedler-type theorem for the determinant of *J*-positive matrices
(04/2016) |

OaM-10-36 |
» The correlation numerical range and trace-positive complex polynomials
(09/2016) |

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

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

JMI-10-83 |
» Numerical radius inequalities for Hilbert space operators
(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) |

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

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

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) |

OaM-12-26 |
» Sharpening some classical numerical radius inequalities
(06/2018) |

JMI-12-33 |
» Some generalizations of numerical radius on off-diagonal part of *2 × 2* operator matrices
(06/2018) |