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In mathematics, real analysis is the theory of real numbers and real functions, which are real-valued functions of a real variable. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa. Real analysis studies the properties of real functions like convergence, limits, continuity, smoothness, differentiability, and integrability. Real analysis and complex analysis are both branches of mathematical analysis. In addition, this book would be extremely useful for all the students studying Real Analysis at the undergraduate level at other Indian Universities. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa.
Table of Contents:-
- Complex Number,
- Infinite Series,
- Vector Calculus,
- Fourier Series,
- Ordinary Differential Equations,
- Linear Differential Equation of Higher-Order and Special Methods.
The theorems of real analysis rely intimately upon the structure of the real number line. The real number system consists of a set ( R ), together with two binary operations denoted + and ⋅, and an order denoted <. The operations make the real numbers a field, and, along with the order an ordered field. The real number system is the unique complete ordered field, in the sense that any other complete ordered field is isomorphic to it. Intuitively, completeness means that there are no ‘gaps’ in the real numbers. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa.
In particular, this property distinguishes the real numbers from other ordered fields (e.g., the rational numbers Q ) and is critical to the proof of several key properties of functions of the real numbers. The completeness of the reals is often conveniently expressed as the least upper bound property.
BOOK NAME – INTRODUCTION TO REAL ANALYSIS
AUTHOR – SADHAN KUMAR MAPA
SIZE – 24.8MB
PAGES – 328
The subject of real analysis is concerned with studying the behavior and properties of functions, sequences, and sets on the real number line, which we denote as the mathematically familiar R. Concepts that we wish to examine through real analysis include properties like Limits, Continuity, Derivatives (rates of change), and Integration (amount of change over time).
Many of these ideas are, on a conceptual or practical level, dealt with at lower levels of mathematics, including a regular First-Year Calculus course, and so, to the uninitiated reader, the subject of Real Analysis may seem rather senseless and trivial.
However, Real Analysis is at depth, complexity, and arguably beauty, that it is because, under the surface of everyday mathematics, there is an assurance of correctness, that we call rigor, that permeates the whole of mathematics. Thus, Real Analysis can, to some degree, be viewed as a development of a rigorous, well-proven framework to support the intuitive ideas that we frequently take for granted.
Real Analysis is a very straightforward subject, in that it is simply a nearly linear development of mathematical ideas you have come across throughout your story of mathematics. However, instead of relying on sometimes uncertain intuition (which we have all felt when we were solving a problem we did not understand), we will anchor it to a rigorous set of mathematical theorems. Throughout this book, we will begin to see that we do not need intuition to understand mathematics – we need a manual. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa.
The overarching thesis of this book is how to define the real numbers axiomatically. How would that work? This book will read in this manner: we set down the properties which we think define the real numbers. We then prove from these properties – and these properties only – that the real numbers behave in the way which we have always imagined them to behave.
We will then rework all our elementary theorems and facts we collected over our mathematical lives so that it all comes together, almost as if it always has been true before we analyzed it; that it was, in fact, rigorous all along – except that now we will know how it came to be. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa.
Do not believe that once you have completed this book, mathematics is over. In other fields of academic study, there are glimpses of a strange realm of mathematics increasingly brought to the forefront of standard thought. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa. After understanding this book, mathematics will now seem as though it is incomplete and lacking in concepts that maybe you have wondered before.
In this book, we will provide glimpses of something more to mathematics than the real numbers and real analysis. After all, the mathematics we talk about here always seems to only involve one variable in a sea of numbers and operations and comparisons. Free download PDF Introduction To Real Analysis By Sadhan Kumar Mapa.
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