Date 
Speaker  Seminar  Title 
Friday, January 18, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Daping Weng Michigan State University  Combinatorics  Cluster Duality of Grassmannian and a Cyclic Sieving Phenomenon of Plane Partitions 
Friday, January 25, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Li Li Oakland University  Combinatorics  Frieze varieties of acyclic quivers 
Friday, February 01, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Trevor Hyde University of Michigan  Combinatorics  Cohomology configuration space and polynomial factorization statistics 
Wednesday, February 06, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Nati Linial Hebrew University of Jerusalem  Combinatorics  Graph metrics  note unusual date! 
Friday, February 08, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Melissa ShermanBennett UC Berkeley  Combinatorics  Combinatorics of cluster structures in Schubert varieties 
Friday, February 15, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Oliver Pechenik University of Michigan  Combinatorics  Crystal structures for symmetric Grothendieck polynomials 
Friday, February 22, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Dylan Thurston Indiana U.  Combinatorics  Unlabelled rigidity 
Friday, March 01, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Martha Precup Washington University, St. Louis  Combinatorics  Hessenberg varieties and the StanleyStembridge conjecture 
Friday, March 08, 2019

 Combinatorics  Spring break, no seminar 
Friday, March 15, 2019 Start: 3:00 PM
Location: 4088 East Hall 
David Speyer University of Michigan  Combinatorics  The fundamental theorem of finite semidistributive lattices 
Friday, March 22, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Christian Gaetz MIT  Combinatorics  A combinatorial duality and the Sperner property for the weak order. 
Friday, March 29, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Robert Walker University of Michigan  Combinatorics  A.S.P. Ideals, Matroid Configurations, and Symbolic Generic Initial Systems 
Friday, April 05, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Jenna Rajchgot University of Saskatchewan  Combinatorics  Type D quiver representation varieties, double Grassmannians, and symmetric varieties 
Friday, April 12, 2019 Start: 3:00 PM
Location: 4088 East Hall 
Eric Katz Ohio State University  Combinatorics  The Unipotent Torelli Theorem for Graphs 