Pick interpolation and Hilbert function spaces
著者
書誌事項
Pick interpolation and Hilbert function spaces
（Graduate studies in mathematics, v. 44）
American Mathematical Society, c2002
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注記
Bibliography: p. 293-301
Includes index
内容説明・目次
内容説明
This book first rigorously develops the theory of reproducing kernel Hilbert spaces. The authors then discuss the Pick problem of finding the function of smallest $H^\infty$ norm that has specified values at a finite number of points in the disk. Their viewpoint is to consider $H^\infty$ as the multiplier algebra of the Hardy space and to use Hilbert space techniques to solve the problem. This approach generalizes to a wide collection of spaces. The authors then consider the interpolation problem in the space of bounded analytic functions on the bidisk and give a complete description of the solution. They then consider very general interpolation problems. The book includes developments of all the theory that is needed, including operator model theory, the Arveson extension theorem, and the hereditary functional calculus.
目次
Prerequisites and notation Introduction Kernels and function spaces Hardy spaces $P^2(\mu)$ Pick redux Qualitative properties of the solution of the Pick problem in $H^\infty(\mathbb{D})$ Characterizing kernels with the complete Pick property The universal Pick kernel Interpolating sequences Model theory I: Isometries The bidisk The extremal three point problem on $\mathbb{D}^2$ Collections of kernels Model theory II: Function spaces Localization Schur products Parrott's lemma Riesz interpolation The spectral theorem for normal $m$-tuples Bibliography Index.
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