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The Commutant Lifting Approach to Interpolation Problems
Classical H~ interpolation theory was conceived at the beginning of the century by C. Caratheodory, L. Fejer and I. Schur. The basic method, due to Schur, in solving these problems …
Topics in Differential and Integral Equations and Operator Theory
In this volume three important papers of M.G. Krein appear for the first time in English translation. Each of them is a short self-contained monograph, each a masterpiece of …
Time-Varying Discrete Linear Systems
Discrete-time systems arise as a matter of course in modelling biological or economic processes. For systems and control theory they are of major importance, particularly in …
Topics in Matrix and Operator Theory
Contributions to Operator Theory in Spaces with an Indefinite Metric
This volume is dedicated to Heinz Langer, a leading expert in spectral analysis and its applications, in particular to operators in spaces with an indefinite metric, on the …
Laurent Series and their Padé Approximations
The Pade approximation problem is, roughly speaking, the local approximation of analytic or meromorphic functions by rational ones. It is known to be important to solve a large …
Partially Specified Matrices and Operators: Classification, Completion, Applications
This book is devoted to a new direction in linear algebra and operator theory that deals with the invariants of partially specified matrices and operators, and with the spectral …
Advances in Pseudo-Differential Operators
The Fourth Congress of the International Society for Analysis, its Applications and Computation (ISAAC) was held at York University from August 11, 2003 to August 16, 2003. It was …
New Difference Schemes for Partial Differential Equations
The present monograph is devoted to the construction and investigation of the new high order of accuracy difference schemes of approximating the solutions of regular and singular …
Spectral Theory of Canonical Differential Systems. Method of Operator Identities
The spectral theory of ordinary differential operators L and of the equations (0.1) Ly= AY connected with such operators plays an important role in a number of problems both in …
Advances in Invariant Subspaces and Other Results of Operator Theory
The annual Operator Theory conferences, organized by the Department of Mathematics of INC REST and the University of Timi?oara, are intended to promote cooperation and exchange of …
Operator Theory and Boundary Eigenvalue Problems
The Workshop on Operator Theory and Boundary Eigenvalue Problems was held at the Technical University, Vienna, Austria, July 27 to 30, 1993. It was the seventh workshop in the …