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Hilbert space. --- Interpolation. --- Functions of complex variables.
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Geometric function theory. --- Functions of complex variables. --- Geometry, Differential. --- Retracts, Theory of. --- Hermitian operators. --- Fonctions, Théorie géométrique des. --- Fonctions d'une variable complexe. --- Géométrie différentielle. --- Rétractes, Théorie des. --- Opérateurs hermitiens. --- Théorie géométrique des fonctions --- Fonctions d'une variable complexe --- Géométrie différentielle --- Théorie des rétractes --- Opérateurs hermitiens --- Geometric function theory --- Functions of complex variables --- Geometry, Differential --- Retracts, Theory of --- Hermitian operators --- Operators, Hermitian --- Operators, Symmetrical --- Symmetrical operators --- Linear operators --- Topology --- Differential geometry --- Complex variables --- Elliptic functions --- Functions of real variables --- Function theory, Geometric
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Analytic functions --- Dilation theory (Operator theory) --- Functional analysis --- Geometric function theory --- Operator theory
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This book shows how operator theory interacts with function theory in one and several variables. The authors develop the theory in detail, leading the reader to the cutting edge of contemporary research. It starts with a treatment of the theory of bounded holomorphic functions on the unit disc. Model theory and the network realization formula are used to solve Nevanlinna-Pick interpolation problems, and the same techniques are shown to work on the bidisc, the symmetrized bidisc, and other domains. The techniques are powerful enough to prove the Julia-Carathéodory theorem on the bidisc, Lempert's theorem on invariant metrics in convex domains, the Oka extension theorem, and to generalize Loewner's matrix monotonicity results to several variables. In Part II, the book gives an introduction to non-commutative function theory, and shows how model theory and the network realization formula can be used to understand functions of non-commuting matrices.
Operator theory. --- Holomorphic functions. --- Geometric function theory. --- Hilbert space.
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