This monograph uncovers the full capabilities of the Riemann integral. Setting aside all notions from Lebesgue’s theory, the author embarks on an exploration rooted in Riemann’s original viewpoint. On this journey, we encounter new results, numerous historical vignettes, and discover a particular handiness for computations and applications. This approach rests on three basic observations. First, a Riemann integrability criterion in terms of oscillations, which is a quantitative formulation of the fact that Riemann integrable functions are continuous a.e. with respect to the Lebesgue measure. Second, the introduction of the concepts of admissible families of partitions and modified Riemann sums. Finally, the fact that most numerical quadrature rules make use of carefully chosen Riemann sums, which makes the Riemann integral, be it proper or improper, most appropriate for this endeavor. A Modern View of the Riemann Integral is intended for enthusiasts keen to explore the potential of Riemann's original notion of integral. The only formal prerequisite is a proof-based familiarity with the Riemann integral, though readers will also need to draw upon mathematical maturity and a scholarly outlook.

This book is an introduction to a theory of the integral that corrects the defects in the classical Riemann theory and both simplifies and extends the Lebesgue theory of integration.

Improper Riemann Integrals is the first book to collect classical and modern material on the subject for undergraduate students. The book gives students the prerequisites and tools to understand the convergence, principal value, and evaluation of the improper/generalized Riemann integral. It also illustrates applications to science and engineering

Title: Riemann Integration: Exploring Fundamental Principles Author: KUPARALA VENKATA VIDYASAGAR Dive into the world of Riemann integration with this comprehensive guide. This book offers a detailed exploration of the fundamental concepts, techniques, and applications of Riemann integration in the realm of mathematical analysis. From its inception by Bernhard Riemann to its modern interpretations and implications in various branches of mathematics and beyond, this text provides a clear and concise elucidation of this crucial mathematical tool. Inside these pages, readers will find: A rigorous yet accessible presentation of the Riemann integral, covering its definition, properties, and theorems. Practical examples and illustrative explanations aiding in the understanding of Riemann integration and its applications in calculus and beyond. Discussions on the convergence of Riemann sums, the Riemann integrability of functions, and connections to other areas of mathematics, including differential equations and complex analysis. Insightful exercises and problems to reinforce understanding and encourage further exploration. Whether you're a student delving into real analysis, a mathematician seeking a deeper comprehension of integration principles, or an enthusiast curious about the foundations of calculus, this book serves as an invaluable resource, offering a comprehensive and insightful journey into the world of Riemann integration.

Presents a relative new theory. Included are many examples and a very rich collection of exercises. There are partial solutions to approximately one-third of the exercises. A complete solutions manual is available separately. From the top series published by the AMS.

This book treats all of the most commonly used theories of the integral. After motivating the idea of integral, we devote a full chapter to the Riemann integral and the next to the Lebesgue integral. Another chapter compares and contrasts the two theories. The concluding chapter offers brief introductions to the Henstock integral, the Daniell integral, the Stieltjes integral, and other commonly used integrals. The purpose of this book is to provide a quick but accurate (and detailed) introduction to all aspects of modern integration theory. It should be accessible to any student who has had calculus and some exposure to upper division mathematics. Table of Contents: Introduction / The Riemann Integral / The Lebesgue Integral / Comparison of the Riemann and Lebesgue Integrals / Other Theories of the Integral