47A20

Articles containing subject class 47A20:

MIA-07-59 » Convexity or concavity inequalities for Hermitian operators (10/2004)
OaM-02-36 » Unbounded operators commuting with restricted backward shifts (12/2008)
OaM-03-17 » Numerical ranges of restricted shifts and unitary dilations (06/2009)
OaM-03-24 » Matrices with normal defect one (09/2009)
OaM-03-28 » Absolute continuity of minimal unitary dilations (12/2009)
OaM-03-34 » Agler interpolation families of kernels (12/2009)
OaM-04-07 » Limited approximation of numerical range of normal matrix (03/2010)
OaM-04-11 » Some quadratic correct extensions of minimal operators in Banach spaces (06/2010)
OaM-04-14 » Operator radii and unitary operators (06/2010)
OaM-04-26 » Normals, subnormals and an open question (12/2010)
OaM-05-30 » Positive linear functionals without representing measures (09/2011)
OaM-06-04 » Inverse nodal problems for the Sturm-Liouville operator with eigenparameter dependent boundary conditions (03/2012)
OaM-07-04 » Hilbert-Schauder frame operators (03/2013)
OaM-07-31 » Hyponormal trigonometric Toeplitz operators (09/2013)
OaM-08-58 » Tight projections of frames on infinite dimensional Hilbert spaces (12/2014)
OaM-09-49 » On extensions of J-skew-symmetric and J-isometric operators (12/2015)
OaM-10-03 » A subnormal Toeplitz completion (03/2016)
OaM-10-48 » Dilations and constrained algebras (12/2016)
OaM-11-07 » Analytic model of doubly commuting contractions (03/2017)
OaM-11-28 » Lifting commuting 3-isometric tuples (06/2017)
OaM-11-43 » Operator models for Hilbert locally C∗-modules (09/2017)
OaM-11-54 » Dilations similar to a self-adjoint operator (09/2017)
OaM-11-63 » On decomposition of operators having Γ3 as a spectral set (09/2017)
OaM-12-36 » Characteristic functions of liftings-II (06/2018)
OaM-14-04 » On couplings of symmetric operators with possibly unequal and infinite deficiency indices (03/2020)
OaM-14-05 » On extensions of symmetric operators (03/2020)
OaM-14-07 » Operators with minimal pseudospectra and connections to normality (03/2020)
OaM-15-67 » Approximation of the numerical range of polynomial operator matrices (09/2021)
OaM-15-90 » Davis-Wielandt-Berezin radius inequalities via Dragomir inequalities (12/2021)
OaM-16-10 » On the similarity of complex symmetric operators to perturbations of restrictions of normal operators (03/2022)
OaM-16-36 » Dilations of linear maps on vector spaces (06/2022)
OaM-16-56 » Stability bounds for reconstruction from sampling erasures (09/2022)
OaM-16-79 » Generalized Choi-Kraus dilations of linear maps between matrix algebras (12/2022)
OaM-17-37 » Liftings and dilations of commuting systems of linear mappings on vector spaces (06/2023)
OaM-18-13 » Relative residual bounds for eigenvalues in gaps of the essential spectrum (03/2024)