Around 1970, an abrupt change occurred in the study of holomorphic functions of several complex variables. Sheaves vanished into the back ground, and attention was focused on integral formulas and on the "hard analysis" problems that could be attacked with them: boundary behavior, complex-tangential phenomena, solutions of the J-problem with control over growth and smoothness, quantitative theorems about zero-varieties, and so on. The present book describes some of these developments in the simple setting of the unit ball of en. There are several reasons for choosing the ball for our principal stage. The ball is the prototype of two important classes of regions that have been studied in depth, namely the strictly pseudoconvex domains and the bounded symmetric ones. The presence of the second structure (i.e., the existence of a transitive group of automorphisms) makes it possible to develop the basic machinery with a minimum of fuss and bother. The principal ideas can be presented quite concretely and explicitly in the ball, and one can quickly arrive at specific theorems of obvious interest. Once one has seen these in this simple context, it should be much easier to learn the more complicated machinery (developed largely by Henkin and his co-workers) that extends them to arbitrary strictly pseudoconvex domains. In some parts of the book (for instance, in Chapters 14-16) it would, however, have been unnatural to confine our attention exclusively to the ball, and no significant simplifications would have resulted from such a restriction.
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Walter Rudin received his PhD in mathematics from Duke University in North Carolina in 1949. Starting in 1950 he took a Moore instructorship at MIT in Cambridge, Massachusetts where he wrote his first mathematical book. He then went to the University of Rochester in Rochester, New York and finally to the University of Wisconsin in Madison, Wisconsin where he has been a Professor of Mathematics since 1959. He is now an Emeritus Professor there.Review:
“This book by Rudin was written in a period that a new type of approach to functions of several complex variables emerged ... . a basic textbook that is quite accessible, and its reprint will be enjoyed by many researchers and students in complex analysis.” (Adhemar Bultheel, Bulletin of the Belgian Mathematical Society, Vol. 18, 2011)
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