دانلود کتاب Elements of Abstract Harmonic Analysis

From Preface:Abstract Harmonic Aualysis is an active branch of modern analysis which is increasing in importance as a standard course for the beginning graduate student. Concepts like Banach algebras, Haar measure, locally compact Abelian groups, etc., appear in many current research papers. This book is intended to enable the student to approach the original literature more quickly by informing him of these concepts and the basic theorems involving them.In order to give a reasonably complete and self-contained introduction to the subject, most of the proofs have been presented in great detail thereby making the development understandable to a very wide audience. Exercises have been supplied at the end of each chapter. Some of these are meant to extend the theory slightly while others should serve to test the reader's understanding of the material presented.