| Date | Speaker | Topic |
| Fall 2005 | ||
| 23 September | Dan Drake | The combinatorics of Hermite polynomials and associated Hermite polynomials |
| 30 September | Mike Weimerskirsch | Ordinal numbers and combinatorial games |
| 7 October | Molly Maxwell | Higher dimensional spanning trees |
| 14 October | Mark Skandera | warmup for his talk in the grownup seminar: "On the nonnegativity properties of the dual canonical basis" |
| 21 October | Muge Taskin | Properties of four partial orders on standard Young tableaux |
| 28 October | Andy Berget | Eigenvalues of graphs |
| 4 November | Brendan Rhoades | Immanants and the Kazhdan-Lusztig basis |
| 11 November | Steven Damelin | warm-up for his talk in the grownup seminar: "On the number of linearly independent vectors over a finite field of prime order" |
| 18 November | Rob Edman | bicycles in graphs, whatever those are |
| 25 November | no seminar; Thanksgiving | |
| 2 December | problem session | |
| 9 December | Pat Byrnes | TBA |