PROGRAM 
Saturday October 13, 2001.
| 8:30 - 8:50 | Sergey Yuzvinsky, University of Oregon, Eugene, OR. | |
| Combinatorics of complex line arrangements with essential jumping loci. | ||
| 9:00 - 9:20 | Alexander I. Suciu, Northeastern University, Boston, MA. | |
| Lower central series and free resolutions of arrangements. | ||
| 9:30 - 9:50 | Hiroaki Terao, Tokyo Metropolitan University, Tokyo, Japan. | |
| Algebras generated by reciprocals of linear forms. | ||
| 10:00 - 10:20 | Federico Ardila, M.I.T., Cambridge, MA. | |
| Tutte Polynomials of Hyperplane Arrangements. | ||
| 2:30 - 3:15 | Richard P. Stanley, M.I.T., Cambridge, MA. | |
| Free probability for combinatorialists. | ||
| 4:00 - 4:20 | Louis J. Billera, Cornell University, Ithaca, NY. | |
| Quasisymmetric functions and Eulerian enumeration. | ||
| 4:30 - 4:50 | Ira M. Gessel, Brandeis University, Waltham, MA. | |
| Variations of hyperoctahedral descent algebras. | ||
| 5:00 - 5:20 | Tom Braden, University of Massachusetts, Amherst, MA. | |
| Lower bounds for Kazhdan-Lusztig polynomials from patterns. | ||
| 5:30 -5:50 | Francesco Brenti, Universita' di Roma "Tor Vergata", Rome, Italy. | |
| P-kernels, IC bases, and Kazhdan-Lusztig polynomials. |
Sunday October 14, 2001.
| 8:30 - 9:15 | Victor S. Reiner, University of Minnesota, Minneapolis, MN. | |
| Recent progress in the topology of simplicial complexes. | ||
| 9:30 - 9:50 | Patricia Hersh, University of Michigan, Ann Arbor, MI. | |
| Multiplicity of the trivial representation in rank-selected homology of the partition lattice. | ||
| 10:00 - 10:20 | Tamon Stephen, University of Michigan, Ann Arbor, MI. | |
| The Distribution of Values in The Quadratic Assignment Problem. | ||
| 10:30 - 10:50 | Kenneth P. Bogart, Dartmouth College, Hanover, NH. | |
| A Geometric Classification of Trapezoid Orders. | ||
| 2:30 - 2:50 | Michelle L. Wachs, University of Miami, Miami, FL. | |
| A B_n-analogue of the chessboard complex. | ||
| 3:00 - 3:20 | John Shareshian, Washington Univeristy, St. Louis, MO. | |
| The probabilistic zeta function and coset poset of a finite group. | ||
| 3:30 - 3:50 | Daniel K. Biss, M.I.T., Cambridge, MA. | |
| The matroid Grassmannian is homotopy equivalent to the real Grassmannian. | ||
| 4:00 - 4:20 | Alexander Postnikov, M.I.T., Cambridge, MA. | |
| Webs in Grassmann Cells. | ||
| 4:30 - 4:50 | Paul E. Gunnells, University of Massachusetts, Amherst, MA. | |
| Moduli spaces and the Littlewood-Richardson cone. | ||
| 5:00 - 5:20 | Laura M. Anderson, SUNY, Binghamton, NY. | |
| Poset bundles. | ||
All the lectures take place in Room 105, Clark Hall.