Foundations of free noncommutative function theory
著者
書誌事項
Foundations of free noncommutative function theory
（Mathematical surveys and monographs, v. 199）
American Mathematical Society, c2014
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注記
Includes bibliographical references (p. 175-179) and index
内容説明・目次
内容説明
In this book the authors develop a theory of free noncommutative functions, in both algebraic and analytic settings. Such functions are defined as mappings from square matrices of all sizes over a module (in particular, a vector space) to square matrices over another module, which respect the size, direct sums, and similarities of matrices. Examples include, but are not limited to, noncommutative polynomials, power series, and rational expressions.
Motivation and inspiration for using the theory of free noncommutative functions often comes from free probability. An important application area is dimensionless matrix inequalities; these arise, e.g., in various optimization problems of system engineering. Among other related areas are those of polynomial identities in rings, formal languages and finite automata, quasideterminants, noncommutative symmetric functions, operator spaces and operator algebras, quantum control.
目次
Introduction
NC functions and their difference-differential calculus
Higher order nc functions and their difference-differential calculus
The Taylor-Taylor formula
NC functions on nilpotent matrices
NC polynomials vs. polynomials in matrix entries
NC analyticity and convergence of TT series
Convergence of nc power series
Direct summands extensions of nc sets and nc functions (Some) earlier work on nc functions
Similarity invariant envelopes and extension of nc functions
Bibliography
Index
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