zbMath0708.15011MaRDI QIDQ1188739
Joseph A. Ball, Leiba Rodman, Israel Gohberg
Publication date: 17 September 1992
Published in: Operator Theory: Advances and Applications (Search for Journal in Brave)
Pairs of functions with indefinite Pick matrices,
Closed-loop model set validation under a stochastic framework,
Explicit formulae for completions of linear time varying singular systems of differential equations,
The Nehari problem for the Pritchard-Salamon class of infinite- dimensional linear systems: A direct approach,
On block completion problems for \(j_{qq}-J_ q\)-inner functions. II: The case of a given \(q\times q\) block,
On low-complexity approximation of matrices,
Uniqueness properties of minimal partial realizations,
Left and right factorizations of rational matrix functions,
Bitangential interpolation for input-output maps of time-varying systems: The continuous time case,
Fast state space algorithms for matrix Nehari and Nehari-Takagi interpolation problems,
Inverse spectral problems for difference operators with rational scattering matrix function,
Worst case identification of continuous time systems via interpolation,
Two-sided interpolation for matrix functions with entries in the Hardy space,
On the Schmidt pairs of multivariable Hankel operators and robust control,
On the operator-valued Nevanlinna-Pick problem,
The partial trigonometric moment problem on an interval: The matrix case,
Generalized \(\gamma\)-generating matrices,
Dissipative periodic systems and symmetric interpolation in Schur classes,
On the achievable stabilization delay margin for linear plants with time-varying delays,
The regulator problem with robust stability,
Balanced realizations of discrete-time stable all-pass systems and the tangential Schur algorithm,
Classes of pairs of meromorphic matrix valued functions generated by nonnegative kernels and associated Nevanlinna-Pick problems,
Interpolation with constraint on frequency region and systems \& control application,
Interpolation problems for certain classes of slice hyperholomorphic functions,
Optimal Hankel-norm identification of dynamical systems,
On tangential \(H_ 2\) interpolation with second order norm constraints,
More on maximum entropy interpolants and maximum determinant completions of associated Pick matrices,
Algorithms for polynomial spectral factorization and bounded-real balanced state space representations,
On Arov-normalized \(j_{qq}-J_q\)-elementary factors,
On a new positive extension problem for block Toeplitz matrices,
Generalized Cauchy-Vandermonde matrices,
Interpolation with multiple norm constraints,
Nudelman interpolation and the band method,
\(J\)-pseudo-spectral and \(J\)-inner-pseudo-outer factorizations for matrix polynomials,
Lagrange's formula for tangential interpolation with application to structured matrices,
Essentially normal composition operators on \(H^{2}\),
On degenerate Hamburger moment problem and extensions of nonnegative Hankel block matrices,
A fast method to diagonalize a Hankel matrix,
An easy-to-compute factorization of rational generalized positive functions,
Schur-Nevanlinna-Potapov sequences of rational matrix functions,
Solving Toeplitz systems after extension and transformation,
Algorithms for optimal control with invariant zeros on the extended imaginary axis,
Quantum linear coherent controller synthesis: a linear fractional representation approach,
Bitangential interpolation in generalized Schur classes,
Convex cones of generalized positive rational functions and the Nevanlinna-Pick interpolation,
Weighted \(H^2\) approximation of transfer functions,
On maximal weight solutions in a truncated trigonometric matrix moment problem,
``Wrong side interpolation by positive real rational functions, From a standard factorization to a \(J\)-spectral factorization for a class of infinite-dimensional systems, On zeros of certain analytic functions, The Nevanlinna-Pick problem on the closed unit disk: minimal norm rational solutions of low degree, Minimum \(w\)-entropy interpolants for matricial Carathéodory functions and maximum determinant completions of associated block Pick matrix, Boundary Nevanlinna-Pick interpolation via reduction and augmentation, Multi-point degenerate interpolation problem for generalized Schur functions: description of all solutions, On ranges and Moore-Penrose inverses related to matrix Carathéodory and Schur functions, The dynamics of strategic information flows in stock markets, A generalized Schur-Takagi interpolation problem, Simultaneous stabilization of discrete-time delay systems and bounds on delay margin, 3-extremal holomorphic maps and the symmetrized bidisc, Factorizations of and extensions to J-unitary rational matrix functions on the unit circle, System identification of microwave filters from multiplexers by rational interpolation, Regulation as an interpolation problem, On a general moment problem on the half axis, Diagonal pivoting for partially reconstructible Cauchy-like matrices, with applications to Toeplitz-like linear equations and to boundary rational matrix interpolation problems, State space theory of automorphisms of rational matrix functions, The structure of flat gain rational matrices that satisfy two-sided interpolation requirements, Extremal classical interpolation problems (matrix case), Boundary behavior of analytic functions of two variables via generalized models, On a bitangential interpolation problem for contractive-valued functions on the unit ball, Tracking sensitivity and achievable \(\mathcal H_{\infty}\) performance in preview control, Speculative dynamics, Tangential interpolation problems for a class of automorphic matrix-functions, Nonparametric estimation for normalized coprime factors of a MIMO system, Jost asymptotics for matrix orthogonal polynomials on the real line, Integral equations, dichotomy of evolution families on the half-line and applications, Convex invertible cones and positive real analytic functions, Local minimal factorizations of rational matrix functions in terms of null and pole data: Formulas for factors, Completion problems for \(j_{pq}\)-inner functions. I, A reformulation of augmented basic interpolation problem and an application to \(\mathcal{H}_\infty\) control, On two-sided interpolation for upper triangular Hilbert-Schmidt operators, Nevanlinna-Pick meromorphic interpolation: The degenerate case and minimal norm solutions, Tangential interpolation with symmetries and two-point interpolation problem for matrix-valued \(H_2\)-functions, One-sided tangential interpolation for operator-valued Hardy functions on polydisks, On bitangential interpolation in the time-varying setting for Hilbert-Schmidt operators: The continuous time case, On degenerate interpolation, entropy and extremal problems for matrix Schur functions, Sarason interpolation and Toeplitz corona theorem for almost periodic matrix functions, Carathéodory Fejér interpolation in the ball with mixed derivatives, Jet functions having indefinite Carathéodory-Pick matrices, Parametrization of minimal rank block Hankel matrix extensions and minimal partial realizations, Interpolation theory in sectorial Stieltjes classes and explicit system solutions, Rigidity theorems, boundary interpolation and reproducing kernels for generalized Schur functions, The Nevanlinna-Pick interpolation problems and power moment problems for matrix-valued functions, Rational approximation in linear systems and control, Matrices with higher order displacement structure, Linear analysis of quadrature domains. II, On spectrally associated Schur functions, Arov-inner functions and a Nehari-type completion problem for Schur functions, A boundary Nevanlinna-Pick problem for a class of analytic matrix-valued functions in the unit ball, \(J\)-unitary preserving automorphisms of rational matrix functions: State space theory, interpolation, and factorization, Two-sided residue interpolation in matrix H\(_{2}\) spaces with symmetries: conformal conjugate involutions, Structured finite-dimensional controller design by convex optimization, Completion problems for \(j_{pq}\)-inner functions. II, A Note on the Superoptimal Matrix Algebra Operators, The Rational Interpolation Problem: Grassmannian and Loewner-Matrix Approaches, Analyticity of Semisimple Eigenvalues and Corresponding Eigenvectors of Matrix-Valued Functions, Non-linear minimal square spectral factorization, The Use of Kernel Functions in Solving the Pick Interpolation Problem, Phases of discrete-time LTI multivariable systems, Canonical Transfer-function Realization for Schur-Agler-class Functions of the Polydisk, Solution of the Korteweg-de Vries equation on the line with analytic initial potential, Inertia theorems for matrix polynomials, A factorization principle for stabilization of linear control systems, Robust H∞ identification of linear periodic discrete‐time systems, Bitangential interpolation problems for symmetric rational matrix functions, Positivity, rational Schur functions, Blaschke factors, and other related results in the Grassmann algebra, Analytic functions on the bidisk at boundary singularities via Hilbert space methods, Solving continuous time Leech problems for rational operator functions, About a non-standard interpolation problem, On Smith predictor based controllers for plants with time delay and multiple unstable modes, Time-domain moment matching for multiple-input multiple-output linear time-invariant models, A robust control approach to asymptotic optimality of the heavy ball method for optimization of quadratic functions, Hyponormal Toeplitz operators and zeros of polynomials, Wiener-Hopf factorization indices of rational matrix functions with respect to the unit circle in terms of realization, A dilation theoretic approach to approximation by inner functions, Signal-jamming in the frequency domain, Interpolation in multivariable de Branges-Rovnyak spaces, Interpolation with strongly \(F\)-positive real matrix and application to strong stabilization, A unifying framework for tangential interpolation of structured bilinear control systems, Recent developments in the interplay between function theory and operator theory for block Toeplitz, Hankel, and model operators, Schur algorithm in the class \({\mathcal{SI}}\) of \(J\)-contractive functions intertwining solutions of linear differential equations, Contractive multipliers from Hardy space to weighted Hardy space, Interpolation with symmetry and a Herglotz theorem in the bicomplex setting, On a boundary analogue of the Carathéodory-Schur interpolation problem, Boundary Interpolation by Finite Blaschke Products, Multivariable stability margin optimization: a spectral tangential interpolation approach, Superoptimal approximation by meromorphic functions, On the representation of holomorphic functions on polyhedra, J-lossless conjugation and factorization for discrete-time systems, An interpolation approach to multiobjective ℋ ∞ design, Dilations, Linear Matrix Inequalities, the Matrix Cube Problem and Beta Distributions, Meromorphic continuations of finite gap Herglotz functions and periodic Jacobi matrices, Rational interpolation and recursive solution of Löwner-Vandermonde systems of equations, Bézoutians of rational matrix functions, matrix equations and factorizations, A fast parallel Björck-Pereyra-type algorithm for solving Cauchy linear equations, Pole placement for overdetermined 2D systems, Delay Margin for Robust Stabilization of LTI Delay Systems, Norm preserving extensionsof bounded holomorphic functions, Generalized-confluent Cauchy and Cauchy-Vandermonde matrices, Superfast algorithms for Cauchy-like matrix computations and extensions, Divided Differences and Two-sided Polynomial Interpolation Over Quaternions, Matrix polynomials and the index problem for elliptic systems, An index formula for elliptic systems in the plane, A Schwarz lemma for a domain related to \(\mu\)-synthesis, Nudelman interpolation, parametrizations of lossless functions and balanced realizations, Operator theory on noncommutative domains, Minimal symmetric Darlington synthesis, Free holomorphic functions on the noncommutative polydomains and universal models, Carathéodory-Toeplitz and Nehari problems for matrix valued almost periodic functions, Interpolation by polynomials with symmetries, Interpolation by holomorphic maps from the disc to the tetrablock, Multiple Nevanlinna-Pick interpolation with both interior and boundary data and its connection with the power moment problem, Boundary Nevanlinna--Pick Interpolation with Prescribed Peak Points. Application to Impedance Matching, Construction of a Sturm-Liouville vessel using Gelfand-Levitan theory. On solution of the Korteweg-de Vries equation in the first quadrant, Möbius transformations of matrix polynomials, Stable and real-zero polynomials in two variables, Interpolation with Meromorphic Matrix Functions, Factoring spectral matrices in linear-quadratic models, Equivalence of a behavioral distance and the gap metric, Boundary interpolation in the ball, Integral constraints and performance limits on complementary sensitivity: Discrete-time systems, Sampled-data output regulation of unstable well-posed infinite-dimensional systems with constant reference and disturbance signals, A uniqueness result on boundary interpolation, Finite dimensional representation of distributed delay systems, The matricial Schur problem in both nondegenerate and degenerate cases, The two-by-two spectral Nevanlinna-Pick problem, Null/pole interpolation problem in the class \(\mathcal {RI}\) of rational functions intertwining solutions of linear differential equations, On rank variation of block matrices generated by Nevanlinna matrix functions, Nevanlinna–Pick interpolation: Pick matrices have bounded number of negative eigenvalues, On the reproduction of closed-loop experimental data by an LFT perturbed model set, Unnamed Item, Interpolation in de Branges-Rovnyak spaces, Unnamed Item, Matrix Functions of Bounded Type: An Interplay Between Function Theory and Operator Theory, Carathéodory-Julia type conditions and symmetries of boundary asymptotics for analytic functions on the unit disk, A Systematic Analysis on Analyticity of Semisimple Eigenvalues of Matrix-Valued Functions, The Krzyż conjecture and an entropy conjecture, Zero-pole interpolation for meromorphic matrix functions on an algebraic curve and transfer functions of 2D systems, Extremal problems of interpolation theory, ${\mathscr H}_\infty$ Problem with Nonstrict Inequality and All Solutions: Interpolation Approach, Nevanlinna-Pick Interpolation via Graph Spaces and Kreĭn-space Geometry: A Survey, Symmetric factorizations and localization of zeroes of rational matrix functions, Unnamed Item, Inverse scattering of canonical systems and their evolution, The generalized Birman–Schwinger principle, Interpolation in Sub-Bergman Spaces, Notes on interpolation in the generalized Schur class. II. Nudel’man’s problem