Mathematics6th Sem

B.Sc. Mathematics

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B.Sc. Mathematics

6th Semester Syllabus

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MJC-10 : Complex Analysis

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Unit 1: Complex Numbers and Functions
Introduction to complex number and its geometrical interpretation
Algebra of complex numbers
Functions of complex variables
Limit of a complex function
Continuity and uniform continuity
Differentiability
Analytic and regular functions
Cauchy-Riemann equation and it's applications
Unit 2: Elementary Functions and Contour Integrals
Exponential function
Logarithmic function
Branches and derivatives of logarithms
Trigonometric and hyperbolic functions
Derivatives of functions
Definite integrals of functions
Contours
Contour integrals with examples
Upper bounds for moduli of contour integrals
Unit 3: Complex Integration
Complex integration
Cauchy's theorem
Cauchy's Goursat theorem
Primitives
Cauchy's integral formula
Cauchy's integral formula for the derivative of an analytic function
Morera's theorem
Poisson's integral formula for a circle
Cauchy's inequality
Liouville's Theorem and Fundamental theorem of Algebra
Unit 4: Series Expansions
Convergence of sequences and series
Taylor series with examples
Laurent series and its examples
Absolute and uniform convergence of power series
Uniqueness of series representations of power series
Unit 5: Transformations
Linear Transformation
Jacobian of a transformation
Elementary transformations: translation
Rotation
Magnification
Inversion
Mobius transformation (bilinear transformation)
Cross ratio
Preservation of cross ratio under bilinear transformation
Fixed point of a bilinear transformation
Reference Books:
  • Brown, James Ward, & Churchill, R. V. (2014). Complex Variables and Applications (9th ed.). McGraw-Hill Education. New York
  • S. Ponnusamy, (2011) Foundation of complex Analysis, Alpha Science International Ltd. UK
  • Bak, Joseph & Newman, Donald J. (2010). Complex analysis (3rd ed.). Undergraduate Texts in Mathematics, Springer. New York
  • Zills, Dennis G., & Shanahan, Patrick D. (2003). A First Course in Complex Analysis with Applications. Jones & Bartlett Publishers, Inc
  • Mathews, John H., & Howell, Rusell W. (2012). Complex Analysis for Mathematics and Engineering (6th ed.). Jones & Bartlett Learning. Narosa, Delhi. Indian Edition