# Math 442 Assignments

###
General remarks

- Homework should be legible and neat, questions should be answered
in order, and pages should be fastened
with
a staple with your name and student number on at least the
front page in pen.

- Homework will be collected on Thursdays at the start of
class and will
cover
the material
through Tuesday's lecture (roughly). You should start attempting the
problems
as soon as possible after the material is presented in lecture. Please
don't save it all for Wednesday night.

- Solutions should be written carefully, using good English,
complete sentences,
and adequate detail, with citations from the book
or notes. Some of these solutions will be explanatory proofs. A good
guideline
here is that you should write proofs the way you would like to see them
in your textbook. In summary, show
all your working to get full marks.

#### Assignment 1, due Thursday, January 7th

Covering proof techniques frequently needed for the course

Problems
1, 2, 3, 4, 5, 6

#### Assignment 2, due Thursday, January 14th

Covering classical problems

Problems
7, 8, 9, 10, 11, 12

#### Assignment 3, due Thursday, January 21st

Covering basic theory, complement, isomorphism, representations and
types of graphs

Problems
13, 14, 15, 16, 17, 18

#### Assignment 4, due Thursday, January 28th

Covering Eulerian and Hamiltonian graphs, and applications

Problems
19, 20, 21, 22, 23, 24

#### Assignment 5, due Thursday, February 4th

Covering planarity, Euler's Theorem and inequalities

Problems
25, 26, 27, 28, 29, 30

#### Assignment 6, due Thursday,
February 25th

Covering polyhedra, duals and line graphs

Problems
31, 32, 33, 34, 35, 36

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course
home page.