past seminars
Fall 2020
Fall 2020
Fall 2018
Fall 2018
Michele Torielli (Hokkaido), On the freeness of arrangements associated to gain graphs
Torielli.pdfToby Johnson (CUNY College of Staten Island), The frog model on trees
frogs_colloquium_new_slides.pdfSpring 2018
Spring 2018
Eduardo Cattani (UMass), preseminar: Introduction to Matroids, slides: Log-concave Sequences and Polarized Frobenius Algebras (work of Adiprasito, Huh, and Katz)
matroids_feb15.pdfrota_conjecture_feb15.pdfMathieu Dutour Sikiric (Institut Rudjer Boskovic)
SpherePackingAmherst.pdfSam Hopkins (MIT) notes from the talk
2018_03_30_sam_hopkins_talk.pdf