Contact Info
Combinatorics & Optimization
University of Waterloo
Waterloo, Ontario
Canada N2L 3G1
Phone: 519-888-4567, ext 33038
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Thursday, May 16, 2019 — 2:30 PM EDT
Title: The 600-cell as a Cayley graph
Speaker: Chris Godsil Affiliation: University of Waterloo Room: MC 5479Abstract:
I will discuss some of the things we can learn about the 600-cell by viewing it as a Cayley graph for the group SL(2,5) (once I've discussed the basic properties of this group).
Thursday, May 16, 2019 — 3:30 PM EDT
Title: Partial progress on enumerating K5 descendants
Speaker: Karen Yeats Affiliation: University of Waterloo Room: MC 5417Abstract:
We call a particular operation on a graph which converts one triangle into two triangles a double triangle expansion, and call all those graphs which can be obtained from repeated double triangle expansions of a fixed graph the double triangle descendants of the graph.