### Contact information for Donu Arapura

**Office:** MATH 642

**Office hours:** Tue 4:15-5:15; Thurs 10:30-11:30

**Email address:** *arapura*math.purdue.edu*
(replace * by @)

**Phone number:** 494-1983

(Technical note, I'm using this to render formulas, so you'll need your browser to have javascript turned on.)

#### Math 375 (Discrete Math); TTh 3:00, Rec 114

The grade will based on weekly homework (15%) and quizzes (5%),
2 midterms (25% each), and the final (30%). Homework will be posted here, and is usually collected Thursday. In-class quizzes are also on Thursday.

Book: Rosen, Discrete Mathematics and Its Applications 7th Ed.

The class will cover some of chap 2, 4, 5, 6, 8, 10, 11.
- HW1 (due Thurs Jan 18) Section 2.1: # 46; Section 2.2: # 18, 26, 30; Section 2.3: # 4, 12, 14, 20, 40
- HW2 (due Thurs Jan 25) Sect 2.5: #4, 10, 30; Sect 4.1: #4, 6, 10, 12, 14, 20
- HW3 (due Thurs Feb 1) Sect 4.1: #34, 40; Sect 4.2: #30, 48; Sect 5.1: #6, 8, 10, 38
- HW4 (due
** Tue Feb 6**) Sect 4.3: #5, 24def, 26def, 30, 32f; Sect 5.2: 4, 8
- HW5 (due
** Thurs Feb 15**) Sect 4.4: #6, 10, 20 (use any method), 34
- HW6 (due Thurs Feb 22) Sect 6.1: 18, 22, 32, 52, 62; 6.2: 4, 6, 16
- HW7 (due Thurs Mar 1) Sect 6.3: 10, 12, 30; Sect. 6.4: 10, 20, 24; 6.5: 4
- Get supplement on generating functions which includes HW8 (due Mar 8)

#### Test1

Thurs Feb 8 (in class)
#### Test2

Thurs March 22 (in class)

#### Math 558 (Basic Algebraic Geometry II); TTh 1:30, Math 215

- Basic Algebraic Geometry 1 (including problem set).
- Basic Algebraic Geometry 2 (including problem set).
- Basic Algebraic Geometry 3 (including problem set).
- Basic Algebraic Geometry 4 (including problem set).
- Basic Algebraic Geometry 5 (including problem set).
- Basic Algebraic Geometry 6 (typos fixed. You can do problems next week).
- Basic Algebraic Geometry 7
- Basic Algebraic Geometry 8