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Introduction of complex analysis
This is the introduction of topic of Mathematics (Hons) third year i.e. complex analysis First of all, basic terms like complex numbers and it's geometrical representation is discussed here, point set and E-neighborhood
Interior and limit points
It's the basic of complex analysis like interior points, limit points, etc.... Then open set , closed set and closure of a set and the explanation of this mechanism is discussed
Limit of a function
Limit and continuity of a function is discussed in this lecture...Then there are methods to find that a function is continuous or not and also continuous at the origin or any other point
Differentiability
If a function is continuous on a single valued domain D then the derivative of the function has a formula and then we have it's proof and method to find whether a function is differenetiable at a given point or not
Cauchy-Riemann equation
This is the most important theorem in complex analysis i.e Cauchy-Riemann equation i.e ux=vy and vice versa.... Cauchy-Riemann conditions are necessary conditions only
Analytic functions
These are the notes of analytic functions.... Definition of analytic functions, if a function is analytic at every point then the function is called an entire function..... Definition of singular points and related questions
Analytic functions
These are the notes of analytic functions.... Definition of analytic functions, if a function is analytic at every point then the function is called an entire function..... Definition of singular points and related questions
Problems
Problems related to the test of analyticity of a function... There is also the use of Cauchy-Riemann equations.... It is required to show that Cauchy-Riemann equations are satisfied at a point to check the analyticity
Polar form of C-R equations
The polar form is a form in which radius and angle is mentioned so this is the polar form of Cauchy-Riemann equations and then it's related problems
Harmonic functions
Definition of harmonic functions.... Harmonic conjugate functions and calculation of harmonic conjugate... this is all to be done by using C-R equations so C-R equations are most important for this topic
Milne-Thomson's method
This Milne-Thomson's method is a simple method to construct an analytic method and questions to practice
Applications of Cauchy's theorem
These are the applications of Cauchy's theorem... Cauchy's first Integral formula and it's proof and then the theorem is Cauchy's general Integral formula and Cauchy's theorem for multiple connected region