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完全Pick代数的同构问题:综述

The isomorphism problem for complete Pick algebras: a survey

Guy Salomon, Orr Shalit

AI总结:

本综述围绕完全Pick代数的同构问题展开,阐述其作为满足Pick插值定理的乘子代数的研究背景,介绍其通过Drury-Arveson空间乘子限制到单位球子簇的具体实现形式,总结基于复几何分类该代数的相关研究,描述所用工具方法并澄清修正文献内容。

摘要:

完全Pick代数——大致来说是满足Pick插值定理的乘子代数——在过去约二十年中一直是大量研究的焦点。所有(不可约)完全Pick代数都可具体实现为将Drury-Arveson空间上的乘子限制到单位球的子簇所得到的代数;准确地说:每个不可约完全Pick代数都具有形式$M_V = \{f|_V : f \in M_d\}$,其中$M_d$表示Drury-Arveson空间$H^2_d$的乘子代数,$V$是$M_d$中某些函数的联合零点集。近年来,已有若干研究致力于从与完全Pick代数相关联的簇的复几何角度对其进行分类。本综述旨在以全面且统一的方式阐述这一研究领域,描述为该研究项目所开发的一系列工具和方法,并借此机会澄清、改进和修正文献中的某些部分。

英文摘要:

Complete Pick algebras - these are, roughly, the multiplier algebras in which Pick's interpolation theorem holds true - have been the focus of much research in the last twenty years or so. All (irreducible) complete Pick algebras may be realized concretely as the algebras obtained by restricting multipliers on Drury-Arveson space to a subvariety of the unit ball; to be precise: every irreducible complete Pick algebra has the form $M_V = \{f|_V : f \in M_d\}$, where $M_d$ denotes the multiplier algebra of the Drury-Arveson space $H^2_d$, and $V$ is the joint zero set of some functions in $M_d$. In recent years several works were devoted to the classification of complete Pick algebras in terms of the complex geometry of the varieties with which they are associated. The purpose of this survey is to give an account of this research in a comprehensive and unified way. We describe the array of tools and methods that were developed for this program, and take the opportunity to clarify, improve, and correct some parts of the literature.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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