MATH 300 Fall 2010 Lecture Summary


Week Date Contents
1 0906
Labour Day
0908 Outline
§1.1 algebra of complex numbers
0910 §1.2 complex plane, absolute value, distance, complex conjugate
§1.3 vector viewpoint and sum, triangle inequality, argument
2 0913 §1.3 polar form and product of complex numbers
§1.4 complex potentials, Euler's formula by Taylor series, De Moivre's formula
0915 §1.5 powers and roots
§1.6 open sets
0917 §1.6 connected sets, interior and boundary
3 0920 §2.1 functions of a complex variable, domain and range
0922 §2.2 limits of complex sequences, limits of functions of a complex variable
0924 §2.2 continuity of functions of a complex variable
§2.3 differentiability and analyticity of functions of a complex variable
4 0927 §2.3 examples of analyticity
§2.4 analyticity and Cauchy-Riemann equations
0929 §2.4 proof of theorems, examples
1001
§2.5 harmonic functions, harmonic conjugate
5 1004
§2.5 level set of harmonic functions and their conjugates
§3.1 polynomials: zeros and factorization
1006
§3.1 polynomials: Fundamental Theorem of Algebra; Taylor form;
rational functions: zeros, poles and partial fraction
1008
finding coefficients of partial fraction
§3.2 exponential function, fundamental region of; sin z and cos z
6 1011
Thanksgiving
1013
§3.2 sin z, cos z, sinh z and cosh z
§3.3 multi-valued function, log z and its principle value
1015
Midterm Exam
7 1018
§3.5   complex powers
1020
§3.5   inverse trigonometric functions
1022
         arccos(2i)
§4.1   smooth curves and contours on plane
8 1025
          Jordan's curve theorem
§4.2   contour integrals over a smooth curve
1027
§4.2   integrals over contours, upper bound
§4.3   Independence of path
1029
§4.3   three equivalent properties for functions with antiderivatives
§4.4   continuous deformation of loops
9 1101
§4.4   examples, deformation invariance theorem
1103
§4.4   corollaries and examples (§4.4(b) is skipped)
§4.5   Cauchy's integral formula
1105
§4.5   examples, corollaries, derivative formulas
10 1108
§4.5   an example
§4.6   interior derivative bound, Liouville theorem
1110
§4.6   Fundamental Theorem of Algebra, mean value theorem, maximum modulus theorem
1112
§5.1   convergence of series, comparison and ratio tests
11 1115
§5.1   alternating series, integral test, uniform convergence
§5.2   Taylor series
1117
§5.2   Convergence of Taylor series of analytic functions
1119
§5.2   Taylor series of derivatives and products of analytic functions
12 1122
§5.3   power series, radius and disk of convergence
1124
§5.3   analyticity of power series   (§5.4 is skipped)
§5.5   Laurent series for analytic functions in an annulus
1126
§5.5   Examples
§5.6   removable singularity
13
1129
§5.6   zeros and poles of finite order, essential singularity
§6.1   residue and Cauchy's residue theorem
1201
§6.1   residue formulas for poles of finite order, examples
1203
old final exam review

1207
Final Exam