Topics in Operator Theory

A Quantitative Estimate for Bounded Point Evaluations in Pt(?)-spaces.- WEighted Composition Operators on the Bloch Space of a Bounded Homogeneous Domain.- Images of Minimal-Vector Sequences Under Weighted Composition Operators on L2( ).- On Extensions of Indefinite Toeplitz-Kre?n-Cotlar triplets.- Multivariable Weighted Composition Operators: Lack of Point Spectrum, and Cyclic Vectors.- Factorization Algorithm for Some Special Non-rational Matrix Functions.- Structured Primal-dual Interior-point Methods for Banded Semidefinite Programming.- A Note on Semi-Fredholm Hilbert Modules.- The S-recurrence of Schur Parameters of Non-inner Rational Schur Functions.- Curvature of Universal Bundles of Banach Algebras.- A Contractive Operator View on an Inversion Formula of Gohberg-Heinig.- A Spectral Weight Matrix for a Discrete Version of Walsh’s Spider.- Norm Inequalities for Composition Operators on Hardy and Weighted Bergman Spaces.- Theory vs. Experiment: Multiplicative Inequalities for the Numerical Radius of Commuting Matrices.- Best Constant Inequalities Involving the Analytic and Co-Analytic Projection.- Quasi Commutativity of Regular Matrix Polynomials: Resultant and Bezoutian.- Quasidiagonal Extensions of the Reduced Group C*-algebras of Certain Discrete Groups.- Singular Integral Operators on Variable Lebesgue Spaces over Arbitrary Carleson Curves.- Almost Periodic Polynomial Factorization of Some Triangular Matrix Functions.- Revisit to a Theorem of Wogen.- Survey on the Best Constants in the Theory of One-dimensional Singular Integral Operators.- Gantmacher-Krein Theorem for 2-totally Nonnegative Operators in Ideal Spaces.- Conditions for Linear Dependence of Two Operators.- Matrix Inequalities and Twisted Inner Products.- The Spectrum of a Composition Operator and Calderón’s Complex Interpolation.- Almost Periodic Factorization of 2 × 2 Triangular Matrix Functions: New Cases of Off Diagonal Spectrum.- Infinite Hankel Block Matrices, Extremal Problems.- On Compactness of Operators in Variable Exponent Lebesgue Spaces.- Extension to an Invertible Matrix in Convolution Algebras of Measures Supported in [0,+?).- The Invariant Subspace Problem via Composition Operators-redux.- On Norms of Completely Positive Maps.- Some Exponential Inequalities for Semisimple Lie Groups.- Parabolic Quasi-radial Quasi-homogeneous Symbols and Commutative Algebras of Toeplitz Operators.- Algebraic Aspects of the Paving and Feichtinger Conjectures.- Dominating the Commutator.