* TEACHER OFFICE HOURS*: M 03:05-04:05PM and R 01:30-03:00PM

**MAT-145 s001, Combinatorics**: MWF 1210-0100 PM

**TA**: Brett Leroux (leroux AT math.ucdavis.edu) *Office Hours:* T 12-1PM, T 3-4PM and W 10AM-12. Room: 2142 Academic Surge.

* TEXTBOOK*:

** SUGGESTED EXERCISES** (By section)

**2.1**: 1, 2, 3, 4, 8, 9, 11, 12, 14.**2.2**: 2, 3, 5, 6, 7, 8, 10, 11.**Extra**: Use induction to prove: \((a) \ 11^n-6\) is divisible by 5, \(\forall n\in\mathbb N\). \((b) \ n^2<2^n,\ \forall n\ge 5\).**2.3**: 1, 2, 3, 4, 5, 6, 8, 9, 10.**2.4**: 1, 2, 3, 5, 6, 7, 8, 9, 10, 13.**2.5**: 1, 2, 3, 4, 6, 7, 8, 9, 12.**2.6.4**: All of them.**2.6**.?- Midterm 1 will be based on the Suggested Exercises and Homeworks 1 and 2.
- There will be no classes on Mondays 1/20 and 2/17.

* HOMEWORKS*: All problems are worth the same, but elegant solutions to Difficulty 3 Problems could provide bonus points for Midterms.

*Homework_1.*Ready to download! Due on 01/22 right before the class starts.- To be posted on 01/22, due on 01/29.

* OPTIONAL READING: *(For examples and exercises)

- Discrete Mathematics: Elementary and Beyond
*by**Lovász, Pelikán, and Vesztergombi.*Springer. 2003.

* GRADE*: Course grade will be based on the following:

- 5 Homeworks: 10 points each (due dates: Hw1: 1/22 // Hw2: 1/29 // Hw3, Hw4, Hw5: TBA)
- Midterm Exam 1 (Friday, JAN 31, in class): 100 points,
- Midterm Exam 2 (Friday, FEB 28, in class): 100 points,
- Final (
Wednesday, March 18 // 1:00-3:00 p.m.//Room: TBA,-----__s001:__Tuesday, March 17 // 6:00-8:00 p.m.//Room: TBA): 200 points,__s002:__ - TOTAL: 450 points.

**Grading curve: **(There could be +s and -s)

- 0-40%: F
- 41-50%: D
- 51-65%: C
- 66-80%: B
- 81-100%: A

* ADDITIONAL POLICIES*:

*All students must present their photo ID during exams. *Use of books, notes, calculators, or anything else but pencil and paper, will not be allowed on any exam.

Talking, texting, newspaper reading, etc. disrupt the lectures, u*se of computers, cellphones, or any other electronic devices for non-academic purposes during lectures is prohibited.*

*If you have any problem at all that requires special accomodation, please let me know well in advance!*

There will be *no make-up quizzes **nor make-up exams*. A missed exam counts as 0 points. If you miss the final you will automatically receive an F. *The grade I (Incomplete) will not be given in any circumstances.*

**EXTRA LINKS**

__Resource FAQ for Students.__(Information for students on general academic resources, health and wellness, careers/internships, and community resources).