Syllabus

Course Code: MT-601    Course Name: (B) Complex Analysis

MODULE NO / UNIT COURSE SYLLABUS CONTENTS OF MODULE NOTES
1 Complex numbers and their representation, algebra of complex numbers; Complex plane, Open set, Domain and region in complex plane; Stereographic projection and Riemann sphere. De Moivre’s Theorem and its Applications. Expansion of trigonometrical functions. Direct circular and hyperbolic functions and their properties, Logarithm of a complex quantity, Summation of Trigonometric series.
2 Analytic Functions and Cauchy-Riemann Equations
Complex functions and their limits including limit at infinity; Continuity and differentiability of a complex valued function. Analytic functions; Cauchy-Riemann equations, Harmonic functions, necessary and sufficient conditions for differentiability. Analyticity and zeros of exponential, trigonometric and logarithmic functions.
3 Line integral, Path independence. Branch cut and branch of multi-valued functions. Complex integration, Green’s theorem, Anti-derivative theorem, Cauchy-Goursat theorem, Cauchy integral formula, Cauchy’s inequality, Derivative of analytic function, Liouville’s theorem, Fundamental theorem of algebra, Maximum modulus theorem and its consequences.
4 Sequences, series and their convergence, Taylor series and Laurent series of analytic functions, Power series, Radius of convergence, Integration and differentiation of power series, Absolute and uniform convergence of power series.
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