| Monday, March 30 Mathematics Departmental Presentation 2026 Time: 15:30 Room: MC 107 Speaker: Adrian Chitan, Junqi Liu, Rujing Zhao (Western) Title: TBA |
Geometry and Combinatorics Time: 15:30 Room: MC 108 Speaker: Graham Denham (Western) Title: Katz's proof of Rota-Heron-Welsh (cont'd) |
| Wednesday, April 01 Transformation Groups Seminar Time: 15:30 Room: MC 108 Speaker: Kumar Shukla (Western) Title: Reisner's criterion II We present a proof of Reisner's criterion, which characterizes when the Stanley-Reisner ring of a simplicial complex is Cohen–Macaulay in terms of the homology of the links of in the complex. |