The calendar below provides information on the course's lecture (L) and quiz (E) sessions.
SES # | TOPICS | KEY DATES |
---|---|---|
L1 | Introduction to course, walks on graphs, rational generating functions and Fibonacci numbers | |
L2 | Walks on graphs II: walks on complete graphs and cubes | |
L3 | Walks on graphs III: the Radon transform | |
L4 | Random walks, the Perron-Frobenius theorem | Homework 1 due |
L5 | Introduction to partially ordered sets and the Boolean poset | |
L6 | Partially ordered sets II: Dilworth's and Sperner's theorem | |
L7 | Partially ordered sets III: the Mobius function | Homework 2 due |
L8 | Group actions on Boolean algebras | |
L9 | Group actions on Boolean algebras II: proof of the Sperner property | |
L10 | Introduction to partitions and two proofs of Euler's theorem | Homework 3 due |
L11 | Partitions II: Euler Pentagonal theorem and other identities | |
L12 | Partitions in a box, q-binomial coefficients, and introduction to Young tableaux | |
L13 | Standard Young tableaux and the Hook length formula | Homework 4 due |
L14 | The Hook length formula II, and introduction to the RSK algorithm | |
L15 | Proof of Schensted's theorem | |
L16 | Catalan numbers | Homework 5 due |
E1 | In-class quiz 1 | |
L17 | Counting Hasse walks in Young's lattice | |
L18 | An introduction to symmetric functions | |
L19 | Symmetric functions II | Homework 6 due |
L20 | Polya theory I | |
L21 | Polya theory II | Homework 7 due |
L22 | Polya theory III, intro to exponential generating functions | |
L23 | Exponential generating functions and tree enumeration | |
L24 | Tree enumeration II | Homework 8 due |
L25 | Matrix tree theorem | |
L26 | Matrix tree theorem II and Eulerian tours | |
L27 | Eulerian tours II | Homework 9 due |
E2 | In-class quiz 2 | |
L28 | Binary de Brujin sequences | |
L29 | Chip firing games I | |
L30 | Chip firing games II: the critical group | |
L31 | Chip firing games III: proof of uniqueness | |
L32 | Perfect matchings and Domino tilings | Homework 10 due |
L33 | Perfect matchings and Domino tilings II | |
L34 | Pfaffians and matching enumeration | |
L35 | Aztec diamonds | |
L36 | Aztec diamonds II; Lattice path enumeration | |
L37 | Lattice path enumeration II |