Past VCCs

June 30, 2020

Cheryl Praeger (University of Western Australia) "Diagonal Structures and Permutation Groups"

April 7, 2020

Maria Chudnovsky (Princeton) "Recent Progress on the Erdos-Hajnal Conjecture"

Available as YouTube video

February 18, 2020

Louis H. Kauffman (University of Illinois) "Trivalent Graphs, Perfect Matchings and Virtual Knot Theory"

January 21, 2020

Matjaž Konvalinka (Ljubljana) "The First Bijective Proof of the ASM Theorem"

Available as YouTube video

December 3, 2019

Sergi Elizalde (Dartmouth) "Consecutive Patterns in Permutations and Inversion Sequences"

Available as YouTube video

November 19, 2019

Heide Gluesing-Luerssen (Kentucky) "Rank-Metric Codes for Random Network Coding"

Available as YouTube video

October 15, 2019

Chris Godsil (Waterloo) "Quantum Colourings and Derangements"

Available as YouTube video

April 25, 2019

Peter Cameron (St Andrews) "Four Precious Jewels"

Available as YouTube video

March 21, 2019

Jon Kleinberg (Cornell) "Graph-Theoretic Models of Behavioral Phenomena"

Available as YouTube video

November 14, 2018

Vic Reiner (University of Minnesota) "Cyclic Sieving: Old and New"

Available as YouTube video

October 25, 2018

Vašek Chvátal, "Points and Lines" [Viewing parties included: Brown University, Dalhousie University, Dartmouth College, Rensselaer Polytechnic Institute, Rutgers, SUNY Plattsburgh, University of Massachusetts, University of Vermont, Worcester Polytechnic Institute. A total of 50 screens signed in to view the meeting, including individuals in Connecticut, Massachusetts, Michigan, New York, Pennsylvania, Texas, Vermont, Ontario, Quebec, Germany, China and Taiwan. A conservative estimate is 70+ viewers.]

Available as YouTube video

April 20, 2018

Jessica Striker (North Dakota State University) "Local Actions Create Global Change"

March 16, 2018

Joanna Ellis-Monaghan (St. Michael's College) "New Dualities from Old: Generating Geometric, Petrie, and Wilson Dualities and Trialities of Ribbon Graphs"

Available as YouTube video

William J. Martin (Worcester Polytechnic Institute) "Ideals of Combinatorial Designs"

Available as YouTube video

Past Posters