Fall 2009 - Math 463 Section 0201
Complex Variables for Scientists and Engineers


Instructor: Antoine Mellet

Office:Math Building 4104

Classes: TuTh 11:00am-12:15pm (MTH 0105)

Office Hours: Tu. 1:30-3:30pm



First day Hand-out

Textbook:
Complex Variables and Applications, Eighth Edition. James W. Brown and Ruel V. Churchill. Published by McGraw-Hill. ISBN 978-0-07-305194-9


Dates:


Lectures Schedule and Assignments:

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Lecture dates Sections Assignment
1. Tu. Sept. 1 1-4 Basic definitions; The complex plane
Algebra of complex numbers; Modulus
Homework #1 Due Tu. Sept. 15th
2. Thu Sept. 3 4-6 Triangle inequality; Complex conjugates;
Exponential form of complex numbers
3. Tu. Sept. 8 7-10 Using the exponential form to compute products, powers and fractions
n-th roots of a complex number
4. Thu. Sept. 10 10-1texier2 Application of complex numbers to AC circuits
Neighborhood of a point, open sets, closed sets, boundary of a set
Functions of a complex variable
Homework #2 Due Th. Sept. 17th
5. Tu. Sept. 15 13-15 Complex functions as transformations of the complex plane.
Mappings by the exponential function
Limits: Definition and first properties
6. Thu. Sept. 17 16-19 Further properties of limits; Point at infinity; Stereographic projection.
Continuity: Definition and properties
Derivatives: Definition. First examples
Homework #3 Due Th. Sept. 24th
7. Tu. Sept. 22 19-23 Derivatives: Further examples, formulas and properties.
Cauchy-Riemann equations in rectangular and polar coordinates.
8. Thu. Sept. 24 24-26 Analytic functions, singular points, entire functions.
Connected set.
Harmonic functions, harmonic conjugates
Homework #4 Due Th. Oct. 1st
9. Tu. Sept. 29 Review
10. Thu. Oct. 1 Midterm #1
11. Tu. Oct. 6 29-33 Elementary functions: The exponential function, the logarithmic function
Branches of a multiple valued function
Complex exponents
12. Thu. Oct 8 34-36 Trigonometric functions, Inverse trigonometric functions Hyperbolic functions
Application of harmonic conjugate function to electrostatic
Homework #5 Due Th. Oct. 15th
13. Tu. Oct. 13 37-39 Calculus for complex valued functions of a real variable.
Arc, Simple Closed Curve (Jordan Curve), smooth arc, contour.
14. Thu. Oct. 15 40-45 Contour integrals: Definition, properties and examples
Contour integrals and antiderivatives
Homework #6 Due Th. Oct. 22th
15. Tu. Oct. 20 46-49 Cauchy Theorem, Cauchy-Goursat Theorem
Simply connected domain; Multiply connected domain: Principle of deformation
16. Thu. Oct. 22 50 First Cauchy integral formula and applications Homework #7 Due Th. Oct. 29th
17. Tu. Oct. 27 51 Cauchy integral formula for the derivatives.
Applications to the computation of complex integrals
18. Thu. Oct.29 52-55 Consequences of Cauchy's formula:
Cauchy's inequality, Liouville theorem, Fundamental theorem of Algebra.
Computing a complex integral: Review.
Sequences of complex numbers.
Homework #8 Due Th. Nov. 5th
19. Tu. Nov. 3 56 Infinite series - Geometric series
Application of complex integrals to fluid flows.
20. Thu. Nov. 5 Review
21. Tue. Nov. 10 Midterm #2
22. Thu. Nov. 12 57-59 (64-66) Power series. Radius and circle of convergence. Properties of power series
Taylor's Theorem
Homework #9 Due Th. Nov. 19th
23. Tue. Nov. 17 60,62 Laurent series. Laurent's Theorem. Examples.
24. Thu. Nov. 19 68-70, 72 Residues. Cauchy's residues theorem.
Removable singularity/pole/essential singularities.
Homework #10 Due Tue. Dec. 1st
25. Tue. Nov 24 73-76 Poles and zeroes of an analytic function
26. Tue. Dec. 1 78-82 Application of residue: Evaluating improper integrals Homework #11
27. Thu. Dec. 3 Review
28. Tue. Dec. 8 Midterm #3 Solution
29. Thu. Dec. 10 Review