Discrete Mathematics

Instructor - Robert Hochberg 
Office-         STC C-121 
Phone-         328-9685 
Email-         hochberg@cs.ecu.edu
Text - Discrete Mathematics and its Applications, by Rosen, 5th edition Office Hours
MWF 11-12
W       2-4

 
The Discussion Board can be found here.  (Click on "Communication," then "Discussion Board".)

Course Schedule
(subject to change)
Monday
Wednesday
Friday

8/27 - Day 1
Assign Notetakers
Introduction to web diagrams
Five Problems
8/29 - Day 2
Fifteen Puzzle
Parity of Permutations
Hot Skewer 1
9/1 - Labor Day, no class
9/3 - Day 3
Discussion of Five Problems
Distribute Hot Skewer 2 for homework
9/5 - Day 4
Proofs regarding Fifteen Puzzle
Introduction to Rubik's Cube
Discussion of Hot Skewer 2 and parity of cycles
Distribution of Homework 1, due 9/10
9/8 - Day 5
Discussion of Rubik's Cube as regards parity of permutations and cycles
9/10 - Day 6
Review of Homework 1
Proof that the number of adjacent transpositions needed is exactly equal to the number of inversions
9/12 - Day 7
Finish proof that l'(pi) = t(pi)
Introduction to cycle notation for permutations
9/15 - Day 8
Permutation Digraphs
9/17 - Day 9
 Proof that an n-cycle needs n-1 lines
9/19 - Hurricane Isabel

9/22 - Day 10
Counting permutations, n!
9/24 - Day 11
Review of Homework 2
Counting XO-sequences without adjacent O's
9/26 - Day 12
Tree diagrams, Fibonacci Numbers and
Checkerboard Dominizations
9/29 - Day 13
Proof that the Fibonacci Numbers Give the Number of XO-strings without adjacent Os.  Correcting for Overcounting by Dividing
10/1 - Day 14
Anagrams
10/3 - Day 15
Introduction to the Choose Numbers
10/6 - Day 16
Choose Numbers and Walking on a Grid
10/8 - Day 17
Pascal's Triangle
10/10 - Day 18
Exam 1
10/13 - Fall Break, no class
10/15 - Day 19
Anagrams and Walking on a Grid
10/17 - Day 20
Review of Exam 1
10/20 - Day 21
More Review of Exam 1
10/22 - Day 22
The Binomial Theorem
Homework #4 Assigned
10/24 - Day 23
The multinomial Theorem
Some Combinatorial Proofs
10/27 - Day 24

10/29 - Day 25

10/31 - Day 26
Exam 1 Redo
11/3 - Day 27
Some Combinatorial Proofs of Combinatorial Identities

11/5 - Day 28

11/7 - Day 29
Homework #5Assigned
11/10 - Day 30

11/12- Day 31 11/14- Day 32
11/17- Day 33 11/19- Day 34
Exam 2 -- Study Guide
11/21- Day 35
11/24- Day 36
Review of Exam
11/26 - Thanksgiving Break, no class
11/28 - Thanksgiving Break, no class
12/1- Day 37 12/3- Day 38 12/5- Day 39
Homework #6Assigned
12/8 - Day 40
12/10 - Day 41


12/17 - Final Exam 8am --
Study Guide
Exam 2 answers