Real Analysis

Good Books for reference:

  1. Introduction to analysis (Bartley and Sherbert)

  2. Principles of mathematical analysis (W. Rudin)

  3. Mathematical analysis (Apostol)


Syllabus for real analysis

Elementary set theory

Finite, countable and uncountable sets

Real number system as a complete ordered field

Archimedean property

Supremum, Infimum

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Sequences and series

Convergence

Lecture 2 What are sequences?

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Lecture 3 Behaviour of sequences.

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Lecture 4: Epsilon N definition of Limits of sequences

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Lecture 5: Recursive definition of sequences.

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Lecture 6: What are subsequences?

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Lecture 7: Nondecreasing sequences.

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Lecture 8: Bounded sequences

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Lecture 9: Bounded and Nondecreasing sequences are convergent

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Lecture 10: Properties of Limits of sequences

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Lecture 11: Frequently arising Limits

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Lecture 12: Introduction to series.

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Lecture 13: Checking the convergence of a series by the sequence of partial sums

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Lecture 14: Geometric series

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Lecture 15: Some Problems based on geometric series

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Lecture 16: Telescopic series

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Lecture 17: nth term test for checking the divergence of a series.

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Lecture 18: Some noteworthy points regarding convergence of series.

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Lecture 19: The integral test for checking the convergence of series of positive terms

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Lecture 20: Problems based on integral test.

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Lecture 21: p test for checking convergence/divergence of a series

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Lecture 22: Comparison tests ( Direct comparison test and limit comparison test ).

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Lecture 23: Problems on Limit comparison test (LCT) and Direct comparison test (DCT)

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Lecture 24: Ratio test

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Lecture 25: Nth root test.

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Lecture 26: Alternating series

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limsup, liminf

Bolzano Weierstrass theorem

Heine Borel theorem

Continuity

Uniform continuity

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Differentiability

Mean value theorem

Lecture 1: What is a function?

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Lecture 2: min-max theorem for continuous functions.

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Lecture 3: Local and Global extreme values.

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Lecture 4: First derivative theorem for local extreme values.

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Lecture 5: Problems on finding extreme values of functions.

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Lecture 6: All critical and boundary points may not be the points of local extreme values.

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Lecture 7: How to find out if a critical/boundary point is a point of local extreme value?

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Lecture 8: Problems on finding extreme values revisited

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Lecture 9: Rolle’s theorem

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Lecture 10: The mean value theorem

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Lecture 11: Concave up and concave down graphs

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Lecture 12: Point of inflection

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Lecture 13: Cartesian graphing using first and second derivatives I

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Lecture 14: Cartesian graphing using first and second derivatives-II

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Lecture 15: Cartesian graphing using first and second derivatives-III

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Sequences and series of functions

Uniform convergence

Riemann sums and Riemann integral

Improper Integrals

Monotonic functions

Types of discontinuity

Functions of bounded variation

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Lebesgue measure

Measure theory 1


Measure theory 2


Measure theory 3


Measure theory 4 (The Lebesgue outer measure is translation invariant)


Measure theory 5 (Outer Lebesgue measure is countably/finitely subadditive.)


Measure theory 6 (Outer measure of an interval is equal to its length.)


Measure theory 7 (What is a Lebesgue measurable subset?)


Measure theory 8 (Why the Lebesgue measurable set is defined in the way it is defined?)


Measure theory 9 (Properties of Lebesgue measurable sets.)


Measure theory 10 (Countable sets are Lebesgue measurable sets.)


Measure theory 11 (Set of Lebesgue measurable subsets is a sigma algebra.)


Measure theory 12 (Finite union of Lebesgue measurable sets is a Lebesgue measurable set.)


Measure theory 13 (Finite union of Lebesgue measurable sets is Lebesgue measurable set.)


Measure theory 14 (Countable union of Lebesgue measurable sets is a Lebesgue measurable set.)


Measure theory 15 (Countable additivity of Lebesgue outer measure for LMS.)


Measure theory 16 (Every interval is measurable.)


Measure theory 17 (open, closed,G_delta,F_sigma,Borel sets are measurable.)


Measure theory 18 (Translation of a Lebesgue measurable set is a Lebesgue measurable set.)


Measure theory 19 (Summary on the properties of sigma algebra of all Lebesgue measurable sets.)


Measure theory 20 (Lebesgue measure to Lebesgue integral.)


Measure theory 21 (Riemann integral)


Measure theory 22 ( Example of the function which is not Riemann integrable)


Measure theory 23 ( Drawback of Riemann integration. )


Measure theory 24 ( Exchanging limit and integral sign for Riemann integral )


Measure theory 25 (Outer approximations of Lebesgue measurable sets with open and Gdelta setsI)


Measure theory 26 (Outer approximations of Lebesgue measurable sets with open and Gdelta sets-II)


Measure theory 27 (Inner approximations of Lebesgue measurable sets with closed and F-sigma sets)


Measure theory 28 : Approximations of Lebesgue measurable sets of finite measure


Measure theory 29 (Continuity of Lebesgue measure)


Measure theory 30 (Borel Cantelli Lemma)


Measure theory 31 (Non Lebesgue measurable set I)


Measure theory 32 Non Lebesgue measurable set II

Measure theory 33 ( Non Lebesgue measurable set III)


Measure theory 34 (Non Lebesgue measurable set IV Vitali theorem)


Measure theory 35 (Can we explicitly construct non Lebesgue measurable set?)


Measure theory 36 (Lebesgue measurable function)


Measure theory 37 (Why Lebesgue measurable functions are defined so?)


Measure theory 38 (Properties of Lebesgue measurable functions)


Measure theory 39 Monotonic functions defined on an interval are LMF


Measure theory 40 (Sum and product of Lebesgue measurable functions)


Measure theory 41 (Sum and product of Lebesgue measurable functions ii)


Measure theory 42 (Sum and product of Lebesgue measurable functions -iii)


Measure theory 43 (Division of two Lebesgue measurable functions is a Lebesgue measurable function)


Measure theory 44 (What about composition of two Lebesgue measurable functions?)


Measure theory 45 (Minima and maxima of a finite family of Lebesgue measurable functions is a LMF)

Measure theory 46 (Function as a difference of two Lebesgue measurable functions)


Measure theory 47 (Pointwise and uniform convergence of a sequence of functions)


Measure theory 48 (Pointwise and uniform convergence of a sequence of functions II)


Measure theory 49 (Uniform convergence is better than pointwise convergence)


Measure theory 50 (Lebesgue measurability is preserved in pointwise convergence)


Measure theory 51 (Characterstic function, existence of non Lebesgue measurable functions)


Measure theory 52 (Simple functions)


Measure theory 53 (Simple approximation lemma)


Measure theory 54 (Simple approximation theorem)


Measure theory 55 (Littlewood's first principle)


Lebesgue integral

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Functions of several variables

Lecture 1: Functions of several variables

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Lecture 2: Domain and Range of Functions of more than one variables

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Lecture 3: Open and closed sets

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Lecture 4: Graph; Level curves; Contour lines of functions of two variables

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Lecture 5: Limits of functions of two variables-I

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Lecture 6: Problems based on epsilon delta definition of Limits

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Lecture 7: Properties of Limits of functions of two variables

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Lecture 8: Two path method to declare that limit does not exist

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Lecture 9: Continuity of functions of two variables

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Directional derivative

Partial derivative

Derivative as a linear transformation

Inverse and implicit function theorems

Metric spaces

Compactness

Connectedness

Normed linear Spaces

Spaces of continuous functions as examples

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