Operator Theory

Indefinite Hamiltonian Systems.- Locally Definitizable Operators: The Local Structure of Spectrum.- Multi-valued Operators/Linear Relations Between Krein Spaces.- Reproducing Kernel Krein Spaces.- Schur Analysis in an Indefinite Setting.- Symmetric and Isometric Relations.- The Algebraic Ricatti Equation and Its Role in Indefinite Inner Product Spaces.- The Critical Point Infinity Associated with Indefinite Sturm-Liouville Problems.- A Von Neumann Algebra over the Adele Ring and the Euler Totient Function.- Arithmetic Functions in Harmonic Analysis and Operator Theory.- Unbounded Operators, Lie Algebras, and Local Representations.- Linear Transforms in Signal and Optical Systems.- Realization of Herglotz-Nevanlinna Functions by Conservative Systems.- Robust Stabilization of Linear Control Systems Using A Frequency Domain Approach.- Semi-Separable Systems: Representations, Inversion, and Limiting Behavior.- Synchronization Problems for Spatially Invariant Infinite Dimensional Linear Systems.- Commutative Dilation Theory.- Operator Theory and Function Theory in Drury-Arveson Space and Its Quotients.- Taylor Functional Calculus.- Sampling Theory and Reproducing Kernel Hilbert Spaces.- Quaternionic Analysis: Application to Boundary Value Problems.- An Introduction to Hilbert Module Approach to Multivariable Operator Theory.- Applications of Hilbert Module Approach to Multivariable Operator Theory.- Perturbations of Unbounded Fredholm Linear Operators in Banach Spaces.