Schedule and content (under construction)

The class is on Tuesdays 10.15-12.00 in room 3721. KTH math department 7th floor.

Date

Text Content Teacher Hand-in Problems 2/9 1.1-1.2 How to count, sets, multisets, permutations Petter 9/9 1.2-1.3 Permutations, cycles Petter 16/9 1.3-1.4 (not p. 35-41). 1.5 (p. 44-45) Inversions, descents, excedances, Tree representations Petter 23/9 1.5 (46-47), 1.7 (54-57)

1.9

Euler numbers, permutations of multisets, Twelvefold way Petter/Svante

30/9 1.8 Partition identitites Svante Uppgifter14.pdf handed out 7/10 2.1-2.3 Inclusion-Exclusion Svante 14/10 2.4, 2.7 The determinant method Svante First set due 21/10 3.1-3.3 Posets Petter 28/10 3.4-3.6 Distributive lattices, Incidence algebras Petter 4/11 3.7-3.10 (Not p 269-274 or Corollary 3.9.4) Möbius function Petter Homework2

handed out

11/11 p 269-274, Corollary 3.9.4 and 3.10 Topological Combinatorics Svante 18/11 3.11 Hyperplane arrangements Svante Second set due 25/11 Svante¶ 2/12 Handout More on hyperplane arrangements Svante¶

2/12 Handout Pattern avoidance Svante

9/12 Petter

Third set handed out

16/12 - Student presentations. 18/12 - Written Exam, 9.00 -13-.00 12/1 - Third set due