| Jan 13: Stephen Hartke, Fisher's proof for tournaments of Seymour's 2nd neighborhood conjecture (abstract) |
| Jan 20: Jamie Radcliffe, Threshold graphs and the Grone-Merris conjecture (abstract) |
| Jan 27: Derrick Stolee, Log-space algorithm for reachability problem in planar DAGs with few sources (abstract) |
| Feb 3: Derrick Stolee, part 2 |
| Feb 10: Andrew Ray, an introduction to algebraic graph theory (abstract) |
| Feb 17: Stephen Hartke, interlacing of eigenvalues for subgraphs |
| Feb 24: Christine Kelley, the spectral gap and expander graphs |
| Mar 3: Brenda Mammenga, Disjunctive and Selectivity Rado Numbers (abstract) |
| Fri Mar 13 at 2:30pm in 109 Avery: John Konvalina, Boolean Networks, Combinatorics, and the Fractal Nature of Life (abstract) |
| Mar 17: No seminar, spring break. |
| Mar 24: Travis Johnston, sorting signed permutations with cut-and-paste operations (abstract) |
| Mar 31: Jamie Radcliffe, the sign of a permutation of a multiset |
| Apr 7: Justin DeVries, the chromatic polynomial via homology (abstract) |
| Apr 14: Nate Axvig, an introduction to matroids |
| Apr 21: Cancelled so people may attend Duane Einfeld's thesis defense |
| Apr 28: Nate Axvig, an introduction to matroids, part 2: greedy algorithm and the matroid intersection theorem |
This page last modified April 19, 2009.