Math 6120, Spring 2026 - Schedule

(Section numbers are from Stein-Shakarchi unless otherwise specified)

Week Topics
1 Jan 20

Jan 22

Intro; Complex Numbers §1.1

Complex differentiability and Cauchy-Riemann equations §1.2

2 Jan 27

Jan 29

Conformality; Power series §1.2

Complex line integrals §1.3

3 Feb 3

Feb 5

Cauchy's theorem via Green's Theorem; Definite integrals §2.3; Goursat's Proof §2.1

Cauchy integral formula and formula for derivatives §2.4

4 Feb 10

Feb 12

Removing f' continuous assumption; Cauchy inequalities, Liouville's Thm, Fund Thm of Algebra, Analyticity, Isolation of zeros §2.4

Identity principle, Mean Value Property, Maximum Modulus principle, Harmonic functions, Dirichlet problem.

5 (Feb break)

Feb 19

Morera's Theorem §2.5.1; Uniform convergence on compact sets §2.5.2; Runge approximation §2.5.5

6 Feb 24

Feb 26

Homotopy, simply connected, anti-derivatives §3.5; Complex logarithm §3.6

Mercator projection and log; Zeros and poles §3.1; Riemann removable singularity theorem

7 Mar 3

Mar 5 PRELIM

Residues §3.1; Residue formula and definite integrals §3.2

8 Mar 10

Mar 12

Laurent series (see Problem 3.3); Types of singularities §3.3

Argument principle, Rouche's Theorem, Open mapping theorem §3.4

9 Mar 17

Mar 19

10 Mar 24

Mar 26

Spring Break Mar 30 - Apr 3

11 Apr 7

Apr 9

12 Apr 14

Apr 16

13 Apr 21

Apr 23

14 Apr 28

Apr 30

15 May 5

Date TBA FINAL

Last modified: Thu Mar 12 15:55:35 EDT 2026