Course Syllabus

Syllabus: syllabus.pdf  

Piazza link (use this if you are looking for a group): piazza.com/northwestern/spring2021/compsci212

Lecture: Mon, Wed, Fri, 3-3:50pm, Zoom: 913 9350 0095

Live Lecture Notes: https://1drv.ms/u/s!AoIsMgFixI-dhxHQcirkH2P2CL-8?e=0usDBb 

Discussion (optional): Thurs 5-6pm Zoom: 922 1176 4234, Fri 10-11am Zoom: 
983 4377 2515

Instructor Office Hours: Mon, Wed 2-2:50pm, Fri 11-11:50am, Zoom: 959 7543 0602

TA/Peer Mentor Office Hours: Friday 1-3pm, 4-6pm, Sunday 1-3pm, Monday 10am-12pm, 1-2pm, 6-8pm, Tuesday 10am-12pm, 1-3pm, 6-9pm

Zoom: 959 7543 0602

 

Midterm:  May 3 3-3:50pm (makeup May 4, 8-8:50am)

Final:  June 10, 9-11am

 

Handouts: Advice for solving homework problems and studying for exams - advice.pdf

A list of things that do not have to be proved - Axioms.pdf

A strange determinant, by Tim Gowers - https://www.youtube.com/watch?v=byjhpzEoXFs 

 

The following is a tentative list of topics, and related references in the book Leighton, Lehman, and Meyer (MIT6_042Notes.pdf). This table will be updated frequently: do check this portion periodically. 

 

Date Lecture Topics Required Reading  Related References

March 30

Propositions, Direct Proofs

Recording:  

Notes: March30.pdf  

LLM Chapter 1.1-1.5.1
March 31

Direct Proofs, Cases, Contrapositive

Recording:  

Notes: March31.pdf  

LLM Chapter 1.5, 1.7
April 2

Iff, Contradiction, Induction

Recording:  

Notes: April2.pdf  

LLM Chapter 1,5, 1.8, 6.1
April 5

Induction, Strong Induction

Recording:  

 

Notes: April5.pdf  

LLM Chapter 6.1, 6.2
April 7

Strong Induction / Invariants

Homework 1, out

Recording:  

Notes: April7.pdf  

LLM Chapter 6.2, 6.4
April 9

Set Theory, Relations

Recording:  

Notes: April9.pdf  

LLM section 4.1 on Sets LLM Chapter 4
April 12

Relations, Asymptotics

Recording:  

Notes: April12.pdf  

LLM Chapter 4.4,  14.7
April 14

Counting Rules

Homework 2, out

Recording:  

Notes: April14.pdf  

LLM Chapters 15.1-15.3
April 16

Counting Rules Ctd.

Recording:  

Notes: April16.pdf  

LLM Chapter 15.4-15.5
April 19

Binomial Theorem, Principle of Inclusion-Exclusion

Recording:  

Notes: April19.pdf  

 LLM Chapter 15.7, 15.12

April 21

Pigeonhole Principle, More bijection rule

Homework 3, out

Recording:  

Notes: April21.pdf  

LLM Chapter 15.10, 15.13

April 23

Introduction to Probability, Conditional Probability

Recording:  

Notes: April23.pdf  

LLM Chapter 17.4, 17.5
April 26

Conditional Probability, Independence

Recording:  

Notes: April26.pdf  

LLM Chapter 17.5, 17.6
April 28

Birthday Paradox, Random Variables

Recording:  

Notes:  April28.pdf 

LLM Chapter  17.6, 18.1
April 30

Expected Value, Linearity of Expectation, Binomial Distribution

Recording:  

Notes:  April30-1.pdf   

April30-2.pdf  

LLM Chapter 18.2, 18.4
May 3

Midterm

May 5

Conditional Expectation,  Expected Value of Product

Homework 4, out

Recording:

Notes: May5.pdf   

LLM Chapter 18.5
May 7

Markov's inequality

Recording:  

Notes: May7.pdf  

LLM Chapter 19.1, 19.2
May 10

Chebyshev's Inequality

Recording:  

Notes: May10.pdf  

LLM Chapter 19.3, 19.4
May 12

Chernoff bounds, Introduction to Graphs

Homework 5, out

Recording:  

Notes: May12.pdf  

LLM Chapter 19.7, 11.1, 11.3
May 14

Graph Properties

Recording:  

Notes: May14.pdf  

LLM Chapter 11.4, 11.8, 11.9
May 17

Trees

Recording:  

Notes: May17.pdf  

LLM Chapter 11.11
May 19

Minimum spanning trees

Homework 6, out

Recording:  

Notes: May19.pdf  

LLM Chapter 11.11
May 21

Colorings, Bipartite Graphs

Recording:

Notes: May21.pdf  

LLM Chapter 11.5,11.7, 11.10
May 24

Matchings

Recording:  

Notes: May24.pdf  

LLM Chapter 11.5
May 26

Stable Matchings

Homework 7, out

Recording:  

Notes: May26.pdf  

LLM Chapter 11.10
May 28

Linear Algebra

Recording:  

Notes: May28.pdf  

June 2

Spectral Graph Theory, Boolean Hypercube

Recording:  

Notes: June2.pdf  

June 4

Boolean Hypercube

Recording:  

Notes: June4.pdf 

June 10 Final

Course Summary:

Date Details Due