GENERAL SCIENTIFIC ACTIVITY

October  5, 2022
THE FIELDS INSTITUTE FOR RESEARCH IN MATHEMATICAL SCIENCES

June 23-27, 2014
Algebraic Combinatorics: Spectral Graph Theory, Erdös-Ko-Rado Theorems and Quantum Information Theory

A Conference to celebrate the work of Chris Godsil
To be held at the

Program
(revised June 17)

Monday, June 23 (Quantum-Nano Centre, Room 0101)
8:00 - 8:45 Registration and coffee
8:45 - 9:00 Opening address
9:00 - 9:55 Brendan McKay
Counting edge-coloured regular graphs
10:00 - 10:30 Coffee
10:30 - 10:55

David Roberson
Unique vector colorings: core concepts

11:00 - 11:55 Gordon Royle
Chromatic roots of graphs and matroids
12:00 - 14:00 Lunch
14:00 - 14:25 Christino Tamon
Quantum walk, state transfer, and complex graphs
14:30 - 14:55 Martin Roetteler
On quantum algorithms for difference sets over abelian groups
15:00 - 15:25 Andrew Childs
Universal computation by multi-particle quantum walk
15:30 - 16:00 Coffee
16:00 - 16:55 Simone Severini
From sandwiches to club sandwiches via quantum ideas
17:00 - 17:25 Aidan Roy
A practical heuristic for finding graph minors
17:30 - 19:00 Reception
Quantum-Nano Centre
Tuesday, June 24 (Quantum-Nano Centre, Room 0101)
8:30 - 9:00 Coffee
9:00 - 9:55 Eiichi Bannai
On tight relative t-designs in association schemes
10:00 - 10:30 Coffee
10:30 - 10:55

Peter Dukes
Permutation codes and their semidefinite programming bound

11:00 - 11:55 Jack Koolen
A structure theory for graphs with fixed smallest eigenvalue
12:00 - 14:00 Lunch
14:00 - 14:25 Edwin van Dam
Almost distance-regular graphs and walk-regularity
14:30 - 14:55 Sebastian Cioabă
On the structure of strongly regular and distance-regular graphs
15:00 - 15:25 Matta DeVos
Small product sets and edge cuts
15:30 - 16:00 Coffee
16:00 - 16:55 Willem Haemers
Characterizing friendship
Wednesday, June 25 (Quantum-Nano Centre, Room 0101)
8:30 - 9:00 Coffee
9:00 - 9:55 László Babai
Symmetry versus regularity
10:00 - 10:30 Coffee
10:30 - 10:55

Qing Xiang
The Smith and critical groups of a graph

11:00 - 11:55 Bojan Mohar
Median eigenvalues of graphs
12:00 - 18:00 Excursion to Elora
Thursday, June 26 (Quantum-Nano Centre, Room 0101)
8:30 - 9:00 Coffee
9:00 - 9:55 Peter Cameron
Endomorphisms and synchronization
10:00 - 10:30 Coffee
10:30 - 10:55

Marston Conder
Extreme graph symmetries

11:00 - 11:55 Wilfried Imrich
Symmetry breaking in graphs and groups
12:00 - 14:00 Lunch
14:00 - 14:25 Gabriel Coutinho
New examples of perfect state transfer
14:30 - 14:55 Krystal Guo
Perfect state transfer on distance regular graphs
15:00 - 15:25 Ameera Chowdhury
The Manickam-Miklós-Singhi conjectures for sets and vector spaces
15:30 - 16:00 Coffee
16:00 - 16:55 Chris Godsil
Uniform Mixing in Quantum Walks
17:30 - 20:30 Conference banquet
Festival Room, South Campus Hall
Friday, June 27 (Quantum-Nano Centre, Room 0101)
8:30 - 9:00 Coffee
9:00 - 9:55 Cheryl Praeger
Doubly transitive permutation groups: "Case closed" or "Open for business"?
10:00 - 10:30 Coffee
10:30 - 10:55

Joy Morris
Automorphisms of Cayley graphs that respect partitions

11:00 - 11:55 Akihiro Munemasa
Complex Hadamard matrices contained in a Bose-Mesner algebra
12:00 - 14:00 Lunch
14:00 - 14:25 Dave Morris
Hamiltonian cycles in some easy Cayley graphs
14:30 - 14:55 Brendan Rooney
Computational complexity of maxclique for Cayley graphs
15:00 - 15:25 Junbo Huang
Sets of unit vectors with few inner products and distance-regular graphs
15:30 - 16:00 Coffee
16:00 - 16:55 Karen Meagher
The Erdös-Ko-Rado theorem: an algebraic perspective
17:00 End of Conference


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